CVE-2026-17662: Chromium: CVE-2026-17662 Insufficient policy enforcement in Prefetch

Details

Source

Microsoft Security Response Center (INTL · vendor-psirt · site)

Severity

unknown

Published

2026-07-14

Exploitation

Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-17662

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-176620.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

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

• unknownDSA-6408-1 chromium - security updatedebian
• high[NEW] [high] Google Chrome: Multiple vulnerabilitiescert-bund
• unknownGoogle Chrome Multiple Vulnerabilitieshkcert
• mediumCVE-2026-17662: Insufficient policy enforcement in Prefetch in Google Chrome prior to 151.0.7922.72 allowed a …nvd

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