CVE-2026-20844
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
Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.
Analysis
Windows Clipboard Server contains a use-after-free vulnerability affecting Windows 10 (versions 21H2 and 1809) and Windows Server 2022 (23H2) that enables local privilege escalation without requiring user interaction. An attacker with local access can exploit this memory safety flaw to gain elevated system 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
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