# Microsoft Windows 11 version 26H1.

Every CVE that names Microsoft Windows 11 version 26H1 among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first (an older page)

- [Remote Desktop Client Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-44799.md)
  `CVE-2026-44799` · CVE record: Microsoft Remote Desktop client for Windows Desktop and 4 more · CVSS 7.5 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows DWM Core Library Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-44807.md)
  `CVE-2026-44807` · CVE record: Microsoft Windows 11 version 26H1 · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows DWM Core Library Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-44808.md)
  `CVE-2026-44808` · CVE record: Microsoft Windows 11 version 26H1 · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows DWM Core Library Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-44811.md)
  `CVE-2026-44811` · CVE record: Microsoft Windows 11 version 26H1 · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption, CWE-20
- [Remote Desktop Client Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-42992.md)
  `CVE-2026-42992` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.5 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Microsoft Cryptographic Services Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-44810.md)
  `CVE-2026-44810` · CVE record: Microsoft Windows 11 version 23H2 and 4 more · CVSS 8.4 High · Not analysed yet · Published 9 Jun 2026 · Tags: Authentication bypass
- [Windows Common Log File System Driver Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-44809.md)
  `CVE-2026-44809` · CVE record: Microsoft Windows 11 Version 24H2 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Winlogon Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42989.md)
  `CVE-2026-42989` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Path traversal
- [Windows Push Notifications Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42991.md)
  `CVE-2026-42991` · CVE record: Microsoft Windows 10 Version 1809 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition, Memory corruption
- [Windows Push Notifications Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42979.md)
  `CVE-2026-42979` · CVE record: Microsoft Windows 10 Version 1809 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition, Memory corruption
- [Windows Push Notifications Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42977.md)
  `CVE-2026-42977` · CVE record: Microsoft Windows 10 Version 1809 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition
- [Windows Push Notifications Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42978.md)
  `CVE-2026-42978` · CVE record: Microsoft Windows 10 Version 1809 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition, Memory corruption
- [Microsoft Graphics Component Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42986.md)
  `CVE-2026-42986` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Performance Monitor Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-42974.md)
  `CVE-2026-42974` · CVE record: Microsoft Windows 11 version 23H2 and 4 more · CVSS 8.1 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Performance Monitor Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-42981.md)
  `CVE-2026-42981` · CVE record: Microsoft Windows 11 version 23H2 and 4 more · CVSS 8.1 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Kernel Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42984.md)
  `CVE-2026-42984` · CVE record: Microsoft Windows 10 Version 1809 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Push Notification Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42973.md)
  `CVE-2026-42973` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Information disclosure
- [Windows Push Notification Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42970.md)
  `CVE-2026-42970` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Information disclosure
- [Windows Push Notification Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42971.md)
  `CVE-2026-42971` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Information disclosure
- [Windows Push Notification Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42969.md)
  `CVE-2026-42969` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Hyper-V Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42972.md)
  `CVE-2026-42972` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Information disclosure
- [Windows Telephony Server Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42968.md)
  `CVE-2026-42968` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Microsoft Windows VMSwitch Denial of Service Vulnerability](https://agentprime.io/advisories/CVE-2026-42915.md)
  `CVE-2026-42915` · CVE record: Microsoft Windows 10 Version 21H2 and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Kerberos Denial of Service Vulnerability](https://agentprime.io/advisories/CVE-2026-42914.md)
  `CVE-2026-42914` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 5.3 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Telephony Service Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42912.md)
  `CVE-2026-42912` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition
- [Remote Desktop Client Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-42913.md)
  `CVE-2026-42913` · CVE record: Microsoft Remote Desktop client for Windows Desktop and 4 more · CVSS 7.5 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition, Memory corruption
- [Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42911.md)
  `CVE-2026-42911` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [NT OS Kernel Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42916.md)
  `CVE-2026-42916` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Remote Desktop Client Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-42909.md)
  `CVE-2026-42909` · CVE record: Microsoft Remote Desktop client for Windows Desktop and 4 more · CVSS 7.5 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition, Memory corruption
- [NT OS Kernel Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42980.md)
  `CVE-2026-42980` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42908.md)
  `CVE-2026-42908` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.5 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Shell Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42907.md)
  `CVE-2026-42907` · CVE record: Microsoft Windows 10 Version 1809 and 4 more · CVSS 6.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Information disclosure
- [Windows Shell Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-42906.md)
  `CVE-2026-42906` · CVE record: Microsoft Windows 10 Version 21H2 and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Information disclosure
- [Windows DWM Core Library Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42905.md)
  `CVE-2026-42905` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows TCP/IP Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42904.md)
  `CVE-2026-42904` · CVE record: Microsoft Windows 10 Version 21H2 and 4 more · CVSS 9.6 Critical · Critical (CVSS 9+) · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Kerberos Denial of Service Vulnerability](https://agentprime.io/advisories/CVE-2026-42903.md)
  `CVE-2026-42903` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 6.5 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Projected File System Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42837.md)
  `CVE-2026-42837` · CVE record: Microsoft Windows 10 Version 1809 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42836.md)
  `CVE-2026-42836` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition, Memory corruption
- [Windows BitLocker Security Feature Bypass Vulnerability](https://agentprime.io/advisories/CVE-2026-50507.md)
  `CVE-2026-50507` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 6.8 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Authentication bypass
- [HTTP.sys Denial of Service Vulnerability](https://agentprime.io/advisories/CVE-2026-49160.md)
  `CVE-2026-49160` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.5 High · Critical (CVSS 7+ and EPSS) · EPSS 0.57 · Not analysed yet · Published 9 Jun 2026 · Tags: CWE-405
- [Windows Media Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-48574.md)
  `CVE-2026-48574` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Boot Manager Security Feature Bypass Vulnerability](https://agentprime.io/advisories/CVE-2026-47656.md)
  `CVE-2026-47656` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.9 High · Not analysed yet · Published 9 Jun 2026 · Tags: CWE-693
- [Windows Hotpatch Monitoring Service Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-42910.md)
  `CVE-2026-42910` · CVE record: Microsoft Windows 11 Version 24H2 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows BitLocker Security Feature Bypass Vulnerability](https://agentprime.io/advisories/CVE-2026-45658.md)
  `CVE-2026-45658` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Broken access control
- [Secure Boot Security Feature Bypass Vulnerability](https://agentprime.io/advisories/CVE-2026-45654.md)
  `CVE-2026-45654` · CVE record: Microsoft Windows 11 Version 24H2 and 4 more · CVSS 7.9 High · Not analysed yet · Published 9 Jun 2026 · Tags: Broken access control
- [Windows Kernel Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45653.md)
  `CVE-2026-45653` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows DHCP Client Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-45608.md)
  `CVE-2026-45608` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 6.8 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Microsoft DWM Core Library Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45637.md)
  `CVE-2026-45637` · CVE record: Microsoft Windows 10 Version 1809 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45603.md)
  `CVE-2026-45603` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition
- [Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45638.md)
  `CVE-2026-45638` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows UPnP Device Host Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-45635.md)
  `CVE-2026-45635` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 8.1 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability](https://agentprime.io/advisories/CVE-2026-45602.md)
  `CVE-2026-45602` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 9.1 Critical · Critical (CVSS 9+) · Not analysed yet · Published 9 Jun 2026 · Tags: CWE-229, CWE-349
- [Windows Kernel-Mode Driver Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45600.md)
  `CVE-2026-45600` · CVE record: Microsoft Windows 11 Version 24H2 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45596.md)
  `CVE-2026-45596` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition, Memory corruption
- [Windows NTFS Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-45636.md)
  `CVE-2026-45636` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption, CWE-20
- [Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45598.md)
  `CVE-2026-45598` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition
- [Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45601.md)
  `CVE-2026-45601` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition, Memory corruption
- [Windows UPnP Device Host Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-45599.md)
  `CVE-2026-45599` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 8.1 High · Not analysed yet · Published 9 Jun 2026 · Tags: Memory corruption
- [Windows UI Automation Manager (uiamanager.dll) Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-45597.md)
  `CVE-2026-45597` · CVE record: Microsoft Windows 11 version 23H2 and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Jun 2026 · Tags: Race condition
- [Windows Mark of the Web Security Feature Bypass Vulnerability](https://agentprime.io/advisories/CVE-2026-45595.md)
  `CVE-2026-45595` · CVE record: Microsoft Windows 10 Version 1607 and 4 more · CVSS 5.4 Medium · Not analysed yet · Published 9 Jun 2026 · Tags: CWE-693

Newest: <https://agentprime.io/advisories/technology/microsoft-windows-11-version-26h1.md>
Older: <https://agentprime.io/advisories/technology/microsoft-windows-11-version-26h1.md?cursor=WyIyMDI2LTA2LTA5VDE3OjA1OjMyLjQ0NTAwMFoiLCJDVkUtMjAyNi00NTU5NSJd>

## Filters and formats

Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page.

- The same list as JSON: <https://api.agentprime.io/v1/advisories?technology=microsoft-windows-11-version-26h1&cursor=WyIyMDI2LTA2LTA5VDE3OjA2OjIxLjY2OTAwMFoiLCJDVkUtMjAyNi00NDgxNSJd>
- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/microsoft-windows-11-version-26h1/?cursor=WyIyMDI2LTA2LTA5VDE3OjA2OjIxLjY2OTAwMFoiLCJDVkUtMjAyNi00NDgxNSJd>. Everything for agents: <https://agentprime.io/llms.txt>.