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CVE record · CVE-2026-105722

Windows Broadcast DVR User Service Elevation of Privilege Vulnerability

CVSS 7.0 HighEPSS 0.0028 · 20th percentile

Published by the CVE Program (CNA: microsoft) at 13 Oct 2026, 18:59 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Microsoft Windows 10 Version 1809
  • affected 10.0.17763.0 to before 10.0.17763.9376 custom
Microsoft Windows 10 Version 21H2
  • affected 10.0.19044.0 to before 10.0.19044.7807 custom
Microsoft Windows 10 Version 22H2
  • affected 10.0.19045.0 to before 10.0.19045.7807 custom
Microsoft Windows 11 version 23H2
  • affected 10.0.22631.0 to before 10.0.22631.7652 custom
Microsoft Windows 11 Version 23H2
  • affected 10.0.22631.0 to before 10.0.22631.7652 custom
Microsoft Windows 11 Version 24H2
  • affected 10.0.26100.0 to before 10.0.26100.9711 custom
Microsoft Windows 11 Version 25H2
  • affected 10.0.26200.0 to before 10.0.26200.9711 custom
Microsoft Windows 11 version 26H1
  • affected 10.0.28000.0 to before 10.0.28000.3231 custom
Microsoft Windows 11 Version 26H2
  • affected 10.0.26300.0 to before 10.0.26300.9711 custom
Microsoft Windows Server 2019
  • affected 10.0.17763.0 to before 10.0.17763.9376 custom
Microsoft Windows Server 2019 (Server Core installation)
  • affected 10.0.17763.0 to before 10.0.17763.9376 custom
Identifiers
CVE-2026-105722
CNA
microsoft
Weakness (CWE)
CWE-416
Tags
Published
13 Oct 2026
Updated
31 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Microsoft Windows 10 (versions 1809, 21H2, 22H2), Windows 11 (23H2, 24H2, 25H2, 26H1, 26H2) and Windows Server 2019 are affected by a use-after-free flaw in the Windows Broadcast DVR User Service. An authorized local attacker can exploit it to elevate privileges. The source gives few details. Upgrade to the fixed builds listed for your version: 10.0.17763.9376 for 1809 and Server 2019, 10.0.19044.7807 for 21H2, 10.0.19045.7807 for 22H2, 10.0.22631.7652 for 23H2, 10.0.26100.9711 for 24H2, 10.0.26200.9711 for 25H2, 10.0.28000.3231 for 26H1, and 10.0.26300.9711 for 26H2.

Written 10 Nov 2026.

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.0 High 3.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C CNA (microsoft)
  • CISA KEV Not listed.
  • EPSS 0.0028, the 20th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 13 Oct 2026, 18:59 UTC Confirmed by the CVE List
  2. 31 Oct 2026, 16:20 UTC First seen by agentprime

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.