CVE-2026-54119
HIGHCVSS 7.5/10EPSS 0.82%
Last modified
CVE-2026-54119 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Loop with unreachable exit condition ('infinite loop') in Windows Active Directory allows an unauthorized attacker to deny service over a network.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.
Description
Loop with unreachable exit condition ('infinite loop') in Windows Active Directory allows an unauthorized attacker to deny service over a network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.9339 |
| Microsoft | Windows 10 1809 | < 10.0.17763.9020 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7548 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7548 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.8875 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.8875 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2269 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2525 |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.9339 |
| Microsoft | Windows Server 2019 | < 10.0.17763.9020 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5386 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33158 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54119Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-54119?
Loop with unreachable exit condition ('infinite loop') in Windows Active Directory allows an unauthorized attacker to deny service over a network.
How severe is CVE-2026-54119?
CVE-2026-54119 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2026-54119?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-54113Allocation of resources without limits or throttling in Wind…7.5
- CVE-2026-54114Use after free in Windows Win32K allows an authorized attack…7.8
- CVE-2026-54115Integer overflow or wraparound in Windows Active Directory a…7.8
- CVE-2026-54116Access of resource using incompatible type ('type confusion'…6.5
- CVE-2026-54117Deserialization of untrusted data in SQL Server allows an au…8.8
- CVE-2026-54118Deserialization of untrusted data in SQL Server allows an au…8.8
- CVE-2026-5412In Juju versions prior to 2.9.57 and 3.6.21, an authorizatio…6.5
- CVE-2026-54120Improper input validation in Microsoft Surface allows an aut…8.8
- CVE-2026-54121Improper authorization in Active Directory Certificate Servi…8.8
- CVE-2026-54122Heap-based buffer overflow in Windows GDI+ allows an unautho…8.4
- CVE-2026-54123Exposure of sensitive information to an unauthorized actor i…5.5
- CVE-2026-54124Integer overflow or wraparound in Windows Terminal allows an…7.8
Are you affected by CVE-2026-54119?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST