CVE-2026-27912High· 8.0▾ MidnightPoC availableImproper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 44 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 25.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.4%
Last analysed / modified upstream
3 GitHub repos (last check)
Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.
windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26026windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26026windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23132windows_server_2012_r2_server_core_installation >= 6.3.9600.0 < 6.3.9600.23132windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9060windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9060windows_server_2019 >= 10.0.17763.0 < 10.0.17763.8644windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.8644windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5020windows_server_2022_23h2_edition_server_core_installation >= 10.0.25398.0 < 10.0.25398.2274windows_server_2025 >= 10.0.26100.0 < 10.0.26100.32690windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.32690Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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