HIGH
Windows Push Notifications Elevation of Privilege Vulnerability
Published Jun 9, 2026
7.8
HIGHCVSS 3.1
EPSS 0.20%
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
Affected products
-
- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.8880
- Version
-
- Version 10.0.19044.0StatusaffectedConstraints<10.0.19044.7417
- Version
-
- Version 10.0.19045.0StatusaffectedConstraints<10.0.19045.7417
- Version
-
- Version 10.0.22631.0StatusaffectedConstraints<10.0.22631.7219
- Version
-
- Version 10.0.26100.0StatusaffectedConstraints<10.0.26100.8655
- Version
-
- Version 10.0.26200.0StatusaffectedConstraints<10.0.26200.8655
- Version
-
- Version 10.0.22631.0StatusaffectedConstraints<10.0.22631.7219
- Version
-
- Version 10.0.28000.0StatusaffectedConstraints<10.0.28000.2269
- Version
-
- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.8880
- Version
-
- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.8880
- Version
-
- Version 10.0.20348.0StatusaffectedConstraints<10.0.20348.5256
- Version
-
- Version 10.0.26100.0StatusaffectedConstraints<10.0.26100.32995
- Version
-
- Version 10.0.26100.0StatusaffectedConstraints<10.0.26100.32995
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | n/a |
| ||||||
| Microsoft | Windows 10 Version 21H2 | n/a |
| ||||||
| Microsoft | Windows 10 Version 22H2 | n/a |
| ||||||
| Microsoft | Windows 11 Version 23H2 | n/a |
| ||||||
| Microsoft | Windows 11 Version 24H2 | n/a |
| ||||||
| Microsoft | Windows 11 Version 25H2 | n/a |
| ||||||
| Microsoft | Windows 11 version 23H2 | n/a |
| ||||||
| Microsoft | Windows 11 version 26H1 | n/a |
| ||||||
| Microsoft | Windows Server 2019 | n/a |
| ||||||
| Microsoft | Windows Server 2019 (Server Core installation) | n/a |
| ||||||
| Microsoft | Windows Server 2022 | n/a |
| ||||||
| Microsoft | Windows Server 2025 | n/a |
| ||||||
| Microsoft | Windows Server 2025 (Server Core installation) | n/a |
|
OR
- < 10.0.17763.8880
- < 10.0.17763.8880
- < 10.0.19044.7417
- < 10.0.19044.7417
- < 10.0.19044.7417
- < 10.0.19045.7417
- < 10.0.19045.7417
- < 10.0.19045.7417
- < 10.0.22631.7219
- < 10.0.22631.7219
- < 10.0.26100.8655
- < 10.0.26100.8655
- < 10.0.26200.8655
- < 10.0.26200.8655
- < 10.0.28000.2269
- < 10.0.28000.2269
- < 10.0.17763.8880
- < 10.0.20348.5256
- < 10.0.26100.32995
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (2)
References (1)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42979 vendor-advisorypatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42979 | vendor-advisorypatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jun 9, 2026
Updated Sep 24, 2026
Reserved Apr 30, 2026
Link CVE-2026-42979
CISA Vulnrichment
Updated Jun 10, 2026