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CVE-2026-20936

Windows NDIS Information Disclosure Vulnerability

Published: Jan 13, 2026Updated: Jan 16, 2026 Sources: CVE List NVD BDUCWE-125
4.3MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 64.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:PAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:PAttack Vector
Physical
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-125

Affected Products

Microsoft Corp
commercial·USaka Microsoft, microsoft corporation
Windows 10 Version 1607On-premOS
Operating Systems / windows
Windows 11 version 22H3On-premOS
Operating Systems / windows
Windows Server 2008 R2 Service Pack 1 (Server Core installation)On-premOS
Operating Systems / windows
Windows Server 2008 Service Pack 2 (Server Core installation)On-premOS
Operating Systems / windows
Windows Server 2012 (Server Core installation)On-premOS
Operating Systems / windows
Windows Server 2012 R2 (Server Core installation)On-premOS
Operating Systems / windows
Windows Server 2016 (Server Core installation)On-premOS
Operating Systems / windows
Windows Server 2019 (Server Core installation)On-premOS
Operating Systems / windows
and 54 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-20936?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20936
msrc.microsoft.com
News mentions
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