CVE-2026-65773

HIGHCVSS 7.8/10

Last modified

CVE-2026-65773 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally..

Description

Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9115
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.7663
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.7663
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7517
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7517
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9168
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9168
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.2704
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9115
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9115
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5499
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33296
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33296

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-65773?
Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-65773?
CVE-2026-65773 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-65773?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST