Use after free in Chromecast in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox…

published 2026-09-09 2 mo ago modified 2026-09-10 1 mo ago also EUVD-2026-74536

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

Use after free in Chromecast in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Patch / fix

fixed in 1 distros 2

google chrome 153.0.8010.36

debian opensuse

chromium Debian 12 153.0.8010.52-1~deb12u1
chromium Debian 13 153.0.8010.47-2~deb13u1
chromium Debian 14 153.0.8010.47-1

debian advisories DEBIAN-CVE-2026-87588

chromium openSUSE Leap 16.0 153.0.8010.52-bp160.1.1
chromium openSUSE Tumbleweed 153.0.8010.36-1.1

opensuse advisories openSUSE-SU-2026:21921-1 openSUSE-SU-2026:11750-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-87588 updated 2026-09-09 cvss 8.8

chromium-browser: chromium-browser: Use after free in Chromecast

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 mo ago (2026-09-09)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Google Chrome

Classification

Weakness

CWE-416 Use After Free

Technology feeds

Google Chrome rss critical rss

References

chromereleases.googleblog.com /2026/09/stable-channel-update-for-desktop_0808145027.html
release-notes, vendor-advisory
issues.chromium.org /issues/495515356
permissions-required

Sources

CVE List CVE-2026-87588
NVD CVE-2026-87588

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary