MEDIUM · 5.5

CVE-2026-62798

Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.

Vulnerability Description

Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftWindows 11 23H2< 10.0.22631.7517
MicrosoftWindows 11 24H2< 10.0.26100.9106
MicrosoftWindows 11 25H2< 10.0.26200.9106
MicrosoftWindows 11 26H1< 10.0.28000.2704
MicrosoftWindows Server 2025< 10.0.26100.33222

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-62798?

CVE-2026-62798 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.

How severe is CVE-2026-62798?

CVE-2026-62798 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-62798?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1, Microsoft Windows Server 2025.