CVE-2026-62909 — HIGH (7.8)

Q: What is CVE-2026-62909?

CVE-2026-62909 is a vulnerability with a CVSS score of 7.8 (HIGH). Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

Q: How severe is CVE-2026-62909?

CVE-2026-62909 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-2026-62909?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Visual Studio 2022, Microsoft Visual Studio 2026, Microsoft .Net, Apple Macos, Linux Linux Kernel.

Vulnerability Description

Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Visual Studio 2022	>= 17.14.0, < 17.14.38
Microsoft	Visual Studio 2026	>= 18.8.0, < 18.8.3
Microsoft	.Net	>= 8.0.0, < 8.0.30
Apple	Macos	-
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-252

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62909PatchVendor Advisory

FAQ

What is CVE-2026-62909?

CVE-2026-62909 is a vulnerability with a CVSS score of 7.8 (HIGH). Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

How severe is CVE-2026-62909?

CVE-2026-62909 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-2026-62909?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Visual Studio 2022, Microsoft Visual Studio 2026, Microsoft .Net, Apple Macos, Linux Linux Kernel.