Findings

CVE-2026-27912

Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.

Published Apr 14, 2026 · updated Jun 17, 2026 · microsoft windows server 2012

Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 14, 2026 · NIST NVD

    Detected

    Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.

Affected

  • cpe microsoft/windows server 2012version unspecified
  • cpe microsoft/windows server 2012r2
  • cpe microsoft/windows server 2016version unspecified
  • cpe microsoft/windows server 2019version unspecified
  • cpe microsoft/windows server 2022version unspecified
  • cpe microsoft/windows server 2022 23h2version unspecified
  • cpe microsoft/windows server 2025version unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-27912

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-27912

    Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.

    nvd.nist.gov

References

CVE-2026-27912 · ZeroDay Findings