CVE-2026-26167

high

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

References

https://github.com/grizzzer/CVE-2026-42978-PoC-Research

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26167

Details

Source: Mitre, NVD

Published: 2026-04-14

Updated: 2026-04-24

Risk Information

CVSS v2

Base Score: 6

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

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00054

Detections

Analytics