# Microsoft Office LTSC 2021.

Every CVE that names Microsoft Office LTSC 2021 among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first (an older page)

- [Microsoft Word Security Feature Bypass Vulnerability](https://agentprime.io/advisories/CVE-2026-21514.md)
  `CVE-2026-21514` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Critical (KEV) · In CISA KEV · Not analysed yet · Published 10 Feb 2026 · Tags: CWE-807
- [Microsoft Outlook Spoofing Vulnerability](https://agentprime.io/advisories/CVE-2026-21260.md)
  `CVE-2026-21260` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.5 High · Not analysed yet · Published 10 Feb 2026 · Tags: Information disclosure
- [Microsoft Excel Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2026-21258.md)
  `CVE-2026-21258` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 10 Feb 2026 · Tags: Memory corruption, CWE-20
- [Microsoft Excel Elevation of Privilege Vulnerability](https://agentprime.io/advisories/CVE-2026-21259.md)
  `CVE-2026-21259` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 10 Feb 2026 · Tags: Memory corruption
- [Microsoft Office Security Feature Bypass Vulnerability](https://agentprime.io/advisories/CVE-2026-21509.md)
  `CVE-2026-21509` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Critical (KEV, CVSS 7+ and EPSS) · In CISA KEV · EPSS 0.71 · Not analysed yet · Published 26 Jan 2026 · Tags: CWE-807
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-20957.md)
  `CVE-2026-20957` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 13 Jan 2026 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-20952.md)
  `CVE-2026-20952` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 8.4 High · Not analysed yet · Published 13 Jan 2026 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-20950.md)
  `CVE-2026-20950` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 13 Jan 2026 · Tags: Memory corruption
- [Microsoft Excel Security Feature Bypass Vulnerability](https://agentprime.io/advisories/CVE-2026-20949.md)
  `CVE-2026-20949` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 13 Jan 2026 · Tags: Broken access control
- [Microsoft Word Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-20948.md)
  `CVE-2026-20948` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 13 Jan 2026 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-20956.md)
  `CVE-2026-20956` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 13 Jan 2026 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-20955.md)
  `CVE-2026-20955` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 13 Jan 2026 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-20953.md)
  `CVE-2026-20953` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 8.4 High · Not analysed yet · Published 13 Jan 2026 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2026-20946.md)
  `CVE-2026-20946` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 13 Jan 2026 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62560.md)
  `CVE-2025-62560` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption, CWE-126
- [Microsoft Word Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62559.md)
  `CVE-2025-62559` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Word Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62558.md)
  `CVE-2025-62558` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62557.md)
  `CVE-2025-62557` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 8.4 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62556.md)
  `CVE-2025-62556` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Word Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62555.md)
  `CVE-2025-62555` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.0 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62554.md)
  `CVE-2025-62554` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 8.4 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62553.md)
  `CVE-2025-62553` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Access Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62552.md)
  `CVE-2025-62552` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Path traversal
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62564.md)
  `CVE-2025-62564` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62563.md)
  `CVE-2025-62563` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Outlook Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62562.md)
  `CVE-2025-62562` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62561.md)
  `CVE-2025-62561` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Dec 2025 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62205.md)
  `CVE-2025-62205` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 2 more · CVSS 7.8 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62203.md)
  `CVE-2025-62203` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft Excel Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2025-62202.md)
  `CVE-2025-62202` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.1 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62201.md)
  `CVE-2025-62201` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62200.md)
  `CVE-2025-62200` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft Excel Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2025-59240.md)
  `CVE-2025-59240` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 11 Nov 2025 · Tags: Information disclosure
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62216.md)
  `CVE-2025-62216` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 2 more · CVSS 7.8 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-62199.md)
  `CVE-2025-62199` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-60727.md)
  `CVE-2025-60727` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft Excel Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2025-60726.md)
  `CVE-2025-60726` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.1 High · Not analysed yet · Published 11 Nov 2025 · Tags: Memory corruption
- [Microsoft PowerPoint Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59238.md)
  `CVE-2025-59238` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2025-59232.md)
  `CVE-2025-59232` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.1 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59227.md)
  `CVE-2025-59227` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Office Visio Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59226.md)
  `CVE-2025-59226` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 2 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59225.md)
  `CVE-2025-59225` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59224.md)
  `CVE-2025-59224` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59223.md)
  `CVE-2025-59223` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Word Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59222.md)
  `CVE-2025-59222` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Word Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59221.md)
  `CVE-2025-59221` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.0 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59243.md)
  `CVE-2025-59243` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 2 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59236.md)
  `CVE-2025-59236` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 8.4 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2025-59235.md)
  `CVE-2025-59235` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.1 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59234.md)
  `CVE-2025-59234` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59233.md)
  `CVE-2025-59233` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-59231.md)
  `CVE-2025-59231` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 14 Oct 2025 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-54910.md)
  `CVE-2025-54910` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 8.4 High · Not analysed yet · Published 9 Sept 2025 · Tags: Memory corruption
- [Microsoft Excel Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2025-54901.md)
  `CVE-2025-54901` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 5.5 Medium · Not analysed yet · Published 9 Sept 2025 · Tags: CWE-126
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-54900.md)
  `CVE-2025-54900` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Sept 2025 · Tags: Memory corruption
- [Microsoft PowerPoint Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-54908.md)
  `CVE-2025-54908` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Sept 2025 · Tags: Memory corruption
- [Microsoft Office Visio Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-54907.md)
  `CVE-2025-54907` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 3 more · CVSS 7.8 High · Not analysed yet · Published 9 Sept 2025 · Tags: Memory corruption
- [Microsoft Office Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-54906.md)
  `CVE-2025-54906` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Sept 2025 · Tags: Memory corruption
- [Microsoft Word Information Disclosure Vulnerability](https://agentprime.io/advisories/CVE-2025-54905.md)
  `CVE-2025-54905` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.1 High · Not analysed yet · Published 9 Sept 2025 · Tags: Memory corruption
- [Microsoft Excel Remote Code Execution Vulnerability](https://agentprime.io/advisories/CVE-2025-54904.md)
  `CVE-2025-54904` · CVE record: Microsoft Microsoft 365 Apps for Enterprise and 4 more · CVSS 7.8 High · Not analysed yet · Published 9 Sept 2025 · Tags: Memory corruption

Newest: <https://agentprime.io/advisories/technology/microsoft-office-ltsc-2021.md>
Older: <https://agentprime.io/advisories/technology/microsoft-office-ltsc-2021.md?cursor=WyIyMDI1LTA5LTA5VDE3OjAwOjU2LjYxNTAwMFoiLCJDVkUtMjAyNS01NDkwNCJd>

## 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-office-ltsc-2021&cursor=WyIyMDI2LTAyLTEwVDE3OjUxOjM1LjkwODAwMFoiLCJDVkUtMjAyNi0yMTUxMSJd>
- 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-office-ltsc-2021/?cursor=WyIyMDI2LTAyLTEwVDE3OjUxOjM1LjkwODAwMFoiLCJDVkUtMjAyNi0yMTUxMSJd>. Everything for agents: <https://agentprime.io/llms.txt>.