What is CVE-2026-69507?

CVE-2026-69507 is a medium-severity vulnerability in Microsoft Windows 11 Version 23h2, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 5.7/10. Published 2026-09-08.

How severe is CVE-2026-69507?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Information disclosure in Microsoft Windows 11 Version 23h2

CVE-2026-69507

Insertion of sensitive information into externally-accessible file or directory in Microsoft Windows Search Component allows an authorized attacker to disclose information over a network.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Microsoft Windows 11 Version 23h2
Microsoft Windows 11 Version 24h2
Microsoft Windows 11 Version 25h2
Microsoft Windows 11 Version 26h1
Microsoft Windows Server 2022
Microsoft Windows Server 2025
Microsoft Windows Server 2025 (Server Core Installation)

Weakness classification (CWE)

CWE-538 — Insertion of Sensitive Information into Externally-Accessible File or Directory

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-69507?: CVE-2026-69507 is a medium-severity vulnerability in Microsoft Windows 11 Version 23h2, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 5.7/10. Published 2026-09-08.
How severe is CVE-2026-69507?: Medium severity. CVSS v3 base score is 5.7 out of 10.