CVE-2026-20965
HighSummary
Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized user could exploit this vulnerability to gain higher privileges, potentially leading to compromise of system and data integrity.
Recommendation
It is recommended to install the latest security updates for Windows Admin Center and restrict access to the tool to trusted administrators only.
Other vulnerabilities in Windows Admin Center
See all- CVE-2026-41086High
Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
- CVE-2026-35438High
Missing authorization in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
- CVE-2026-58643Medium
Cross-site scripting vulnerability in Windows Admin Center. An unauthorized attacker can exploit improper input neutralization during web page generation to perform spoofing over a network.
- CVE-2026-56197High
Improper neutralization of special elements used in a command ('command injection') in Windows Admin Center allows an authorized attacker to execute code over a network.
- CVE-2026-56196High
A relative path traversal vulnerability in Windows Admin Center allows an authorized attacker to execute code over a network.
- CVE-2026-58631High
An improper authorization vulnerability in Windows Admin Center allows an authorized attacker to execute code locally.
- CVE-2026-57107High
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges locally.
- CVE-2026-56185Medium
Improper authentication in Windows Admin Center allows an authorized attacker to disclose information over a network.
- CVE-2026-56169High
An improper authentication vulnerability in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
- CVE-2026-42834High
A vulnerability in Windows Admin Center due to improper access control. It allows an authorized attacker to elevate privileges over a network.
Original NVD description (English source)
Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.

