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VULNERABILITIES

CVE-2026-20938 Details

Description

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20938 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-822Untrusted Pointer Dereference[email protected]

Affected Products

ProductVersions
microsoft windows 11 23h2
< 10.0.22631.6491

CPE

  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*

Remediation

  • No remediation found in references.
microsoft windows 11 24h2
< 10.0.26100.7623

CPE

  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*

Remediation

  • No remediation found in references.
microsoft windows 11 25h2
< 10.0.26200.7623

CPE

  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-20938
NVD Published Date:
Jan 13, 2026
NVD Last Modified:
Jul 30, 2026
Source:
[email protected]
CVE-2026-20938 Details - Not Deferred