PatchSiren cyber security CVE debrief
CVE-2026-42969 Microsoft CVE debrief
CVE-2026-42969 is a medium-severity vulnerability in Windows Push Notifications that allows an authorized attacker to disclose information locally. The vulnerability has a CVSS score of 5.5 and is classified as CWE-908: Use of Uninitialized Resource. The vulnerability affects multiple versions of Windows 10, Windows 11, and Windows Server.
- Vendor
- Microsoft
- Product
- Windows 10 Version 1607
- CVSS
- MEDIUM 5.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-09
- Original CVE updated
- 2026-06-11
- Advisory published
- 2026-06-09
- Advisory updated
- 2026-06-11
Who should care
Administrators and users of affected Windows systems should apply patches to mitigate this vulnerability.
Technical summary
The vulnerability is caused by the use of an uninitialized resource in Windows Push Notifications. An authorized attacker can exploit this vulnerability to disclose information locally.
Defensive priority
Medium
Recommended defensive actions
- Apply patches from Microsoft as soon as possible.
- Review and update vulnerability management processes to ensure timely patching of affected systems.
Evidence notes
The CVE record and NVD detail pages provide additional information about the vulnerability, including affected systems and potential mitigations.
Official resources
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CVE-2026-42969 CVE record
CVE.org
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CVE-2026-42969 NVD detail
NVD
-
Source item URL
nvd_modified
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Mitigation or vendor reference
[email protected] - Vendor Advisory
CVE-2026-42969 was published on 2026-06-09T17:17:12.303Z and modified on 2026-06-11T19:53:02.623Z.