CVE-2021-42291
HighCVSS 7.5Exploitation Probability (EPSS)
High risk88th percentile - higher than 88% of all known CVEs
Summary
Elevation of privilege vulnerability in Active Directory Domain Services. Allows an attacker to gain elevated privileges in the domain.
Risk Assessment
An attacker could gain domain administrator privileges, leading to full compromise of the Active Directory infrastructure.
Recommendation
Install the latest security updates for Active Directory Domain Services.
Other vulnerabilities in Active Directory Domain Services
See all- CVE-2021-42287HighActively exploited
Active Directory Domain Services Elevation of Privilege Vulnerability. Technical details are not provided in the description.
- CVE-2021-42278HighActively exploited
Active Directory Domain Services Elevation of Privilege Vulnerability. Technical details are not provided in the description.
- CVE-2026-50366Medium
A null pointer dereference in Active Directory Domain Services allows an authorized attacker to cause a denial of service over the network.
- CVE-2026-57976Medium
A null pointer dereference in Active Directory Domain Services allows an authorized attacker to cause a denial of service over the network.
- CVE-2026-49178High
A heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code remotely over a network.
- CVE-2026-49164High
A heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
- CVE-2026-45648High
Stack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.
- CVE-2021-42282High
Elevation of privilege vulnerability in Active Directory Domain Services. Allows an attacker to gain elevated privileges in the domain.
Original NVD description (English source)
Active Directory Domain Services Elevation of Privilege Vulnerability