CVE-2026-20852
HIGH
2026-01-13
[email protected]
7.7
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 18:16 nvd
HIGH 7.7
Tags
Description
Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
Analysis
Windows Hello privilege escalation on Windows 10, 11, and Server 2019 allows local attackers without credentials to tamper with system integrity through incorrect privilege assignment. The vulnerability requires local access but no user interaction, enabling unauthorized modifications to protected resources. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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Priority Score
39
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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