CVE-2026-62798
MEDIUMCVSS 5.5/10
Last modified
CVE-2026-62798 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally..
Description
Untrusted pointer dereference in Windows Win32K 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 23H2 | >= 10.0.22631.0, < 10.0.22631.7517 |
| Microsoft | Windows 11 Version 23H2 | >= 10.0.22631.0, < 10.0.22631.7517 |
| Microsoft | Windows 11 Version 24H2 | >= 10.0.26100.0, < 10.0.26100.9168 |
| Microsoft | Windows 11 Version 25H2 | >= 10.0.26200.0, < 10.0.26200.9168 |
| Microsoft | Windows 11 version 26H1 | >= 10.0.28000.0, < 10.0.28000.2704 |
| Microsoft | Windows Server 2025 | >= 10.0.26100.0, < 10.0.26100.33296 |
| Microsoft | Windows Server 2025 (Server Core installation) | >= 10.0.26100.0, < 10.0.26100.33296 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-62798?
Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.
How severe is CVE-2026-62798?
CVE-2026-62798 has a CVSS score of 5.5/10 (MEDIUM severity).
How do I fix CVE-2026-62798?
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-2026-62790Heap-based buffer overflow in Windows SMB Server allows an a…8.8
- CVE-2026-62792Stack-based buffer overflow in Windows TCP/IP allows an unau…8.1
- CVE-2026-62793Buffer over-read in Windows NTFS allows an authorized attack…5.5
- CVE-2026-62795Use after free in Windows LDAP - Lightweight Directory Acces…8.8
- CVE-2026-62796Out-of-bounds read in Windows NTFS allows an authorized atta…5.5
- CVE-2026-62797Heap-based buffer overflow in Windows NTFS allows an authori…7.8
- CVE-2026-62799Heap-based buffer overflow in Windows SMB Client allows an a…7.8
- CVE-2026-6280Exposure of sensitive information due to incompatible polici…6.5
- CVE-2026-62800Heap-based buffer overflow in Windows SMB Server allows an a…8.8
- CVE-2026-62803Improper link resolution before file access ('link following…7.8
- CVE-2026-62807Improper link resolution before file access ('link following…7.8
- CVE-2026-6281A potential vulnerability was reported in some Lenovo Person…8.8
Are you affected by CVE-2026-62798?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
