CVE•Published 2026-04-14•Modified 2026-04-23•1 article on news•4 live references•NVD data
CVE-2026-27912Microsoft · Windows_server_2012
Vulnerability data via NVD (ingested)
CVSS v3.1
8.0
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.
Timeline
Published 2026-04-14
Modified 2026-04-23
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-27912Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Windows Server 2012"Hosts Shodan identified as running Windows Server 2012.
More intel sources (5)
Shodan report
vuln:CVE-2026-27912Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-27912Censys host search filtered to this CVE id.
grep.app
CVE-2026-27912Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-27912GitHub code search for direct mentions.
Google dork
"CVE-2026-27912" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2026-279128 repos
0xsyr0/OSCPPowerShell
OSCP Cheat Sheet
GhostTroops/TOPShell
TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things
Semperis-Community/ResetNightmarePowerShell
POC tool for ResetNightmare (CVE-2026-27912)
killvxk/gitweeklyPython
收集各种有趣的github项目
mihat2/ResetNightmare-impacketPython
CVE-2026-27912 (ResetNightmare) — Linux/impacket port of Semperis Community's Invoke-ResetNightmare PoC
XedSama/ResetNightmare-PythonPython
Python exploit for ResetNightmare
netanelcyber/AdPentestAI-PythonPython
oxstussz-eng/Kerberos-CVE-2026-27912Python
PoC for CVE-2026-27912 - Windows Kerberos Elevation of Privilege (ResetNightmare). Unauthorized password reset via Kerberos flaw. For security research only.