CVE-2026-20844
HighCVSS 7.4Exploitation Probability (EPSS)
Low risk24th percentile - higher than 24% of all known CVEs
Summary
A use-after-free vulnerability in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.
Risk Assessment
An attacker could gain elevated privileges, potentially leading to system takeover.
Recommendation
Install the latest security updates from Microsoft for Windows Clipboard Server.
Other vulnerabilities in Windows Clipboard Server
See all- CVE-2026-69795High
Null pointer dereference in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
- CVE-2026-50689High
Use-after-free vulnerability in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
- CVE-2026-49183High
A race condition in the Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS