CVE-2026-20935 - Vulnerability Details - OpenCVE

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker to disclose information locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Microsoft	Windows 11 23h2 Windows 11 24h2 Windows 11 25h2

No data.

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References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20935

History

Tue, 13 Jan 2026 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 13 Jan 2026 18:15:00 +0000

Type	Values Removed	Values Added
Description		Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker to disclose information locally.
Title		Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability
First Time appeared		Microsoft Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2
Weaknesses		CWE-822
CPEs		cpe:2.3:o:microsoft:windows_11_23H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_23H2:::::::x64:* cpe:2.3:o:microsoft:windows_11_24H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_25H2:::::::arm64:*
Vendors & Products		Microsoft Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20935
Metrics		cvssV3_1 `{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-01-13T17:57:03.986Z

Updated: 2026-01-13T18:57:49.546Z

Reserved: 2025-12-04T20:04:16.337Z

Link: CVE-2026-20935

Vulnrichment

Updated: 2026-01-13T18:57:45.465Z

NVD

Status : Received

Published: 2026-01-13T18:16:20.500

Modified: 2026-01-13T18:16:20.500

Link: CVE-2026-20935

Redhat

No data.

OpenCVE Enrichment

No data.

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