CVE-2026-42977

HIGH EPSS 8.3%
Published Jun 9, 20263w ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Jun 9, 2026 3w ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
7.8
Exploitability
1.1
Impact
6.0
Vector string
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

Threat Intelligence

EPSS Exploit Probability
8.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-362

Affected Products 19

VendorProductVersionRange
microsoftwindows_10_1809* <10.0.17763.8880
microsoftwindows_10_1809* <10.0.17763.8880
microsoftwindows_10_21h2* <10.0.19044.7417
microsoftwindows_10_21h2* <10.0.19044.7417
microsoftwindows_10_21h2* <10.0.19044.7417
microsoftwindows_10_22h2* <10.0.19045.7417
microsoftwindows_10_22h2* <10.0.19045.7417
microsoftwindows_10_22h2* <10.0.19045.7417
microsoftwindows_11_23h2* <10.0.22631.7219
microsoftwindows_11_23h2* <10.0.22631.7219
microsoftwindows_11_24h2* <10.0.26100.8655
microsoftwindows_11_24h2* <10.0.26100.8655
microsoftwindows_11_25h2* <10.0.26200.8655
microsoftwindows_11_25h2* <10.0.26200.8655
microsoftwindows_11_26h1* <10.0.28000.2269
microsoftwindows_11_26h1* <10.0.28000.2269
microsoftwindows_server_2019* <10.0.17763.8880
microsoftwindows_server_2022* <10.0.20348.5256
microsoftwindows_server_2025* <10.0.26100.32995

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42977
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.