PatchSiren cyber security CVE debrief

CVE-2026-42907 Microsoft CVE debrief

CVE-2026-42907 is a MEDIUM severity vulnerability with a CVSS score of 6.5. It was published on 2026-06-09T17:17:10.450Z and modified on 2026-06-11T19:23:50.633Z. The vulnerability affects multiple versions of Windows 10, Windows 11, and Windows Server.

Vendor: Microsoft
Product: Windows 10 Version 1809
CVSS: MEDIUM 6.5
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 versions should apply patches to mitigate the vulnerability.

Technical summary

The vulnerability allows an authorized attacker to disclose information locally through Windows Shell.

Defensive priority

Apply patches from Microsoft as soon as possible.

Recommended defensive actions

Apply patches from Microsoft as soon as possible. Refer to resourceLinkAnnotations with id 'ref-4' for more information.

Evidence notes

The vulnerability has been analyzed and verified by official sources.

Official resources

CVE-2026-42907 CVE record
CVE.org
CVE-2026-42907 NVD detail
NVD
Source item URL
nvd_modified
Mitigation or vendor reference
[email protected] - Vendor Advisory

CVE-2026-42907 was published on 2026-06-09T17:17:10.450Z and modified on 2026-06-11T19:23:50.633Z.