CVE-2026-62775
MEDIUMCVSS 5.5/10
Last modified
CVE-2026-62775 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally..
Description
Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 version 26H1 | >= 10.0.28000.0, < 10.0.28000.2704 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-62775?
Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
How severe is CVE-2026-62775?
CVE-2026-62775 has a CVSS score of 5.5/10 (MEDIUM severity).
How do I fix CVE-2026-62775?
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
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- 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-2026-6277GitLab has remediated an issue in GitLab EE affecting all ve…4.3
- CVE-2026-62770Heap-based buffer overflow in Windows Shell allows an author…7.8
- CVE-2026-62771Heap-based buffer overflow in Windows Cloud Files Mini Filte…7.8
- CVE-2026-62772Heap-based buffer overflow in Windows Container Isolation FS…7.8
- CVE-2026-62773Use after free in Windows Kerberos allows an authorized atta…7
- CVE-2026-62774Use after free in Windows Graphics Kernel allows an authoriz…7
- CVE-2026-62776Improper link resolution before file access ('link following…7.8
- CVE-2026-62777Missing authentication for critical function in Windows Lice…7.8
- CVE-2026-62778Use after free in Windows DNS allows an unauthorized attacke…8.1
- CVE-2026-62779Use after free in Windows Schannel allows an authorized atta…7.8
- CVE-2026-6278Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-62780Use after free in Windows Kernel allows an authorized attack…7
Are you affected by CVE-2026-62775?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
