CVE-2026-69676
HIGHCVSS 8.8/10EPSS 0.78%
Last modified
CVE-2026-69676 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Authentication bypass by capture-replay in Windows Kerberos allows an authorized attacker to execute code over a network.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.
Description
Authentication bypass by capture-replay in Windows Kerberos allows an authorized attacker to execute code over a network.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.9512 |
| Microsoft | Windows 10 1809 | < 10.0.17763.9245 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7725 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7725 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.7582 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.9445 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.9445 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2954 |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.9512 |
| Microsoft | Windows Server 2019 | < 10.0.17763.9245 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5622 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33438 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69676Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-69676?
Authentication bypass by capture-replay in Windows Kerberos allows an authorized attacker to execute code over a network.
How severe is CVE-2026-69676?
CVE-2026-69676 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.
How do I fix CVE-2026-69676?
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-2026-6967Missing expiration, hash, and length enforcement in delegate…6.5
- CVE-2026-69671Heap-based buffer overflow in Microsoft Office Word allows a…8.8
- CVE-2026-69672Use of uninitialized resource in Windows DNS allows an autho…5.5
- CVE-2026-69673Improper link resolution before file access ('link following…7.8
- CVE-2026-69674Missing authentication for critical function in Windows Mode…5.5
- CVE-2026-69675Out-of-bounds read in Windows Network File System allows an …5.5
- CVE-2026-69678Use after free in Microsoft Office PowerPoint allows an unau…8.8
- CVE-2026-69679Out-of-bounds read in Windows DHCP Server allows an authoriz…5.7
- CVE-2026-6968Incomplete path traversal fixes in awslabs/tough before toug…6.5
- CVE-2026-69680Origin validation error in Windows DNS allows an unauthorize…8.1
- CVE-2026-69681Heap-based buffer overflow in Virtual Hard Disk (VHD) Minipo…8.8
- CVE-2026-69682Use after free in Windows Host Guardian Service allows an au…7
Are you affected by CVE-2026-69676?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
