Detections
Analytics

CVE-2026-50459

high

Description

Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50459

https://www.tenable.com/blog/microsofts-july-2026-patch-tuesday-addresses-569-cves-cve-2026-56155-cve-2026-56164

Details

Source: Mitre, NVD

Published: 2026-07-14

Updated: 2026-07-15

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

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

Severity: High

EPSS

EPSS: 0.00257