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Fencer Vulns
critical 9.6

CVE-2026-93373 in the critical feed json

Use after free in Extensions in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to execute arbitrary code outside the sandbo…

published 2026-09-17 52 d ago modified 2026-09-21 48 d ago also EUVD-2026-82480

cvss
9.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

Use after free in Extensions in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)

Patch / fix

  • google chrome 153.0.8010.52
  • chromium Debian 12 153.0.8010.52-1~deb12u1
  • chromium Debian 13 153.0.8010.52-1~deb13u1
  • chromium Debian 14 153.0.8010.52-1

debian advisories DEBIAN-CVE-2026-93373

  • chromium openSUSE Leap 16.0 153.0.8010.52-bp160.1.1
  • chromium openSUSE Tumbleweed 153.0.8010.47-1.1

opensuse advisories openSUSE-SU-2026:21921-1openSUSE-SU-2026:11812-1

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-2026-93373 updated cvss 9.6

chromium-browser: chromium-browser: Arbitrary code execution outside the sandbox via crafted extension

  • 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
52 d ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

  • Google Chrome

Classification

Weakness
Technology feeds

References

Sources

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.