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CVE-2026-17874: Chromium: CVE-2026-17874 Inappropriate implementation in Chrome for iOS

unknownCVE-2026-17874
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

CSIRTS triage

What
Inappropriate implementation in Chrome for iOS creates a security weakness in the iOS version.
Who is affected
Users of Chrome for iOS and Chromium-based browsers on iOS.
Urgency
Monitor for patch availability; implementation flaws can lead to broader vulnerabilities.
Action
Apply Chrome for iOS updates when available through the App Store.

AI-assisted analysis generated from the source advisory — verify against the original.

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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-2026-17874

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-17874coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Chromium

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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