CVE-2026-42914
MediumCVSS 5.3Exploitation Probability (EPSS)
Elevated risk53th percentile - higher than 53% of all known CVEs
Summary
A vulnerability in Windows Kerberos allows an authorized attacker to cause a denial of service over the network via an out-of-bounds read.
Risk Assessment
An attacker can crash the Kerberos service, preventing domain authentication.
Recommendation
Apply the security update from Microsoft for Windows Kerberos.
Other vulnerabilities in Windows Kerberos
See all- CVE-2022-37967High
Elevation of privilege vulnerability in Windows Kerberos. It could allow an attacker to gain higher privileges in a domain.
- 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.
- CVE-2026-62754High
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
- CVE-2026-62752High
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
- CVE-2026-47288High
Integer overflow or wraparound vulnerability in Windows Kerberos. Allows an authorized attacker to execute code over an adjacent network.
- CVE-2026-42903Medium
A null pointer dereference vulnerability in Windows Kerberos allows an authorized attacker to perform a Denial of Service (DoS) attack over a network.
- CVE-2026-20849High
Vulnerability in Windows Kerberos relies on untrusted inputs in a security decision. This allows an authorized attacker to elevate privileges over a network.
- CVE-2024-38239High
A vulnerability in Windows Kerberos allows elevation of privilege. An attacker could exploit this flaw to gain higher privileges on the system.
- CVE-2023-21817High
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.
Original NVD description (English source)
Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.