CVE-2023-21817
HighCVSS 7.8Exploitation Probability (EPSS)
Elevated risk53th percentile - higher than 53% of all known CVEs
Summary
An elevation of privilege vulnerability exists in Windows Kerberos. The description lacks technical details, but the vulnerability could allow an attacker to gain elevated privileges in a domain environment.
Risk Assessment
The risk for the organization is potential privilege escalation in the Kerberos service, which could lead to compromise of domain accounts and resources.
Recommendation
It is recommended to apply security updates for Windows Kerberos as soon as possible to prevent exploitation.
Other vulnerabilities in Windows Kerberos
See all- CVE-2026-83720High
A use after free vulnerability in Windows Kerberos allows an authorized attacker to elevate privileges locally.
- CVE-2026-70241High
Use after free vulnerability in Windows Kerberos. An authorized attacker can exploit it to elevate privileges locally.
- CVE-2022-37967High
Elevation of privilege vulnerability in Windows Kerberos. It could allow an attacker to gain higher privileges in a domain.
- CVE-2026-69822High
Numeric truncation error in Windows Kerberos allows an authorized attacker to elevate privileges locally.
- CVE-2026-69760High
Out-of-bounds read in Windows Kerberos allows an unauthorized attacker to deny service over a network.
- CVE-2026-69744High
Null pointer dereference in Windows Kerberos allows an unauthorized attacker to deny service over a network.
- CVE-2026-69685High
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
- CVE-2026-69676High
Authentication bypass by capture-replay in Windows Kerberos allows an authorized attacker to execute code over a network.
- CVE-2026-62773High
Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
- CVE-2026-62766High
Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Windows Kerberos Elevation of Privilege Vulnerability
Vulnerability data from NVD (NIST) · CISA KEV · EPSS