CVE-2026-19174: CVE-2026-19174 Integer overflow in V8

unknownCVE-2026-19174

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

vendor: Google product: Chrome Memory corruption

What: Integer overflow vulnerability in the V8 JavaScript engine.
Who is affected: Microsoft Edge (Chromium-based) and Google Chrome users are affected.
Urgency: Monitor for patch availability; not currently exploited but integer overflow in V8 can lead to code execution.
Action: Update to the latest Chrome/Edge release that addresses CVE-2026-19174.

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: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19174

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-2026-191740.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-19174	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

high[NEW] [high] Google Chrome: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Microsoft Edge (August 12, 2026)cert-fr-avis
unknownDSA-6422-1 chromium - security updatedebian
unknownGoogle Chrome Multiple Vulnerabilitieshkcert
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highCVE-2026-19174: Integer overflow in V8 in Google Chrome prior to 151.0.7922.109 allowed a remote attacker to e…nvd