CVE-2026-27912
HIGHCVSS 8/10EPSS 0.24%
Last modified
CVE-2026-27912 is a high-severity vulnerability rated 8/10 on the CVSS scale. Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.
Metrics
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.9060 |
| Microsoft | Windows Server 2019 | < 10.0.17763.8644 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5020 |
| Microsoft | Windows Server 2022 23h2 | < 10.0.25398.2274 |
| Microsoft | Windows Server 2025 | < 10.0.26100.32690 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-27912?
Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.
How severe is CVE-2026-27912?
CVE-2026-27912 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2026-27912?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-27912?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST