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MEDIUM Vulnerabilities Microsoft Security Response Center

CVE-2026-59998 sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory.

cve-2026-59998sshactive-directorymitre-ta0001mitre-t1190
  • What: OpenSSH vulnerability related to GSSAPIStrictAcceptorCheck
  • Impact: Could affect systems in Windows Active Directory environments
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