CVE-2026-17898: Use after free in DevTools in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sand

highCVSS 7.5CVE-2026-17898

Use after free in DevTools in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Low)

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.5
Published: 2026-07-30
Last updated: 2026-08-03
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-17898

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-2026-178980.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-17898	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownMultiples vulnérabilités dans Microsoft Edge (04 août 2026)cert-fr-avis
unknownMultiple Vulnerabilities in Google Chrome (July 30, 2026)cert-fr-avis
unknownCVE-2026-17898: Chromium: CVE-2026-17898 Use after free in DevToolsmsrc

Recent advisories for Use after free

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.

unknownCVE-2026-0163: In multiple functions of vpu_ioctl.c, there is a possible use after free due to a use after fre…nvd · 2026-08-04
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highCVE-2026-66315: Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute c…nvd · 2026-08-04
highCVE-2026-62870: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over …nvd · 2026-08-04
mediumCVE-2026-20473: In display, there is a possible memory corruption due to use after free. This could lead to lo…nvd · 2026-08-03
highCVE-2026-67300: FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async up…nvd · 2026-08-01