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CVE-2026-69554: Microsoft Windows Search Component Tampering Vulnerability

mediumCVSS 5.5CVE-2026-69554
Missing authentication for critical function in Microsoft Windows Search Component allows an authorized attacker to perform tampering locally.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-09-08
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69554

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-69554coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Microsoft Windows Search

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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