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CVE-2026-72929

Last refreshed2026-10-03

Status: UPDATED  |  Advisory ID: CVE-2026-72929

Key Details

CVECVE-2026-72929
CVSS Score / Version7.8 (High) / CVSS v3.1
Updated2026-09-22
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Proseattack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productssee table below
Classified asCWE-354 (Improper Validation of Integrity Check Value)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 23H2)
MicrosoftWindows 11 (version 24H2)
MicrosoftWindows 11 (version 25H2)
MicrosoftWindows 11 (version 26H1)
MicrosoftWindows Server 2025
MicrosoftWindows 11 version 23H2
MicrosoftWindows 11 Version 24H2
MicrosoftWindows 11 Version 25H2
MicrosoftWindows 11 version 26H1
MicrosoftWindows Server 2025 (Server Core installation)
SubsystemsCore Infrastructure, EWS Workstation Delivery/Virtualization
SectorsAll Sectors

What to Know

Improper validation of integrity check value in Windows Installer allows an authorized attacker to elevate privileges locally.

What to Do

Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-72929
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-72929
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72929

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