CVE-2021-27066
MediumCVSS 4.3Exploitation Probability (EPSS)
High risk86th percentile - higher than 86% of all known CVEs
Summary
A security feature bypass vulnerability in Windows Admin Center. It allows an attacker to bypass security mechanisms.
Risk Assessment
Risk of unauthorized access to administrative functions, potentially leading to system integrity compromise.
Recommendation
Install the latest security updates for Windows Admin Center.
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-2026-20965High
Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
- 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.
Original NVD description (English source)
Windows Admin Center Security Feature Bypass Vulnerability