CVE-2026-20853
HIGH
2026-01-13
[email protected]
7.4
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 18:16 nvd
HIGH 7.4
Tags
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows WalletService allows an unauthorized attacker to elevate privileges locally.
Analysis
Windows WalletService contains a race condition that permits local privilege escalation on Windows 10 and Windows 11 systems. An unauthenticated attacker with local access can exploit improper synchronization of shared resources to gain elevated privileges. …
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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
37
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +37
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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