CVE-2026-42903
Windows Kerberos Denial of Service Vulnerability
Published: Jun 9, 2026Updated: Jun 11, 2026 Sources: CVE List NVD
6.5CVSS
MEDIUMNull pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a network.
EPSS Score
0.2%
Top 58.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
and 28 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Impact
Initial Access
References
Timeline
Published
Jun 9, 2026
Last Updated
Jun 11, 2026
News mentions
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