CVE-2026-84001
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk66th percentile - higher than 66% of all known CVEs
Summary
Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.
Risk Assessment
Risk of disrupting key distribution services, potentially leading to unavailability of systems relying on KDC.
Recommendation
It is recommended to install Microsoft security updates and monitor network traffic for anomalies.
Other vulnerabilities in Windows Key Distribution Center
See all- CVE-2026-69650High
Improper verification of cryptographic signature in Windows Key Distribution Center allows an authorized attacker to elevate privileges locally.
- CVE-2026-69640Medium
Incorrect authorization in Windows Key Distribution Center allows an authorized attacker to bypass a security feature over a network.
- CVE-2026-69712High
Use after free in Windows Key Distribution Center allows an authorized attacker to execute code over a network.
- CVE-2021-33764Medium
Information disclosure vulnerability in Windows Key Distribution Center (KDC). An attacker could exploit this flaw to obtain information that should be protected.
Original NVD description (English source)
Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS