CVE-2026-40369 — HIGH (7.8)

Q: What is CVE-2026-40369?

CVE-2026-40369 is a vulnerability with a CVSS score of 7.8 (HIGH). Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

Q: How severe is CVE-2026-40369?

CVE-2026-40369 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-40369?

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

Vulnerability Description

Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 11 24H2	< 10.0.26100.8390
Microsoft	Windows 11 25H2	< 10.0.26200.8390
Microsoft	Windows 11 26H1	< 10.0.28000.2113
Microsoft	Windows Server 2025	< 10.0.26100.32772

Related Weaknesses (CWE)

CWE-822

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40369Vendor Advisory

FAQ

What is CVE-2026-40369?

CVE-2026-40369 is a vulnerability with a CVSS score of 7.8 (HIGH). Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

How severe is CVE-2026-40369?

CVE-2026-40369 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40369?

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