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CVE-2026-27924

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-27924

Key Details

CVECVE-2026-27924
CVSS Score / Version
7.8 (High) / CVSS v3.1
Updated2026-10-14
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack 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 products
see table below
Classified as
CWE-416 (Use After Free)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 23H2)
MicrosoftWindows 10 (version 21H2)
MicrosoftWindows 10 (version 22H2)
MicrosoftWindows Server 2022
MicrosoftWindows Server 2022 (version 23H2)
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

Use after free in Desktop Window Manager 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-2026-27924
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-27924
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27924

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