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Fencer Intel
high 8.8

CVE-2026-113239 json

Race condition in SiteIsolation in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to obtain cross-origin data…

published 20d ago modified 6d ago also EUVD-2026-105511

cvss
8.8
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 20%
public exploits
0
none known

Summary

Race condition in SiteIsolation in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Patch / fix

  • google chrome 156.0.8078.47
  • chromium Debian 12 156.0.8078.47-1~deb12u1
  • chromium Debian 13 156.0.8078.47-1~deb13u1
  • chromium Debian 14 156.0.8078.47-1

debian advisories DEBIAN-CVE-2026-113239

  • chromium openSUSE Leap 16.0 156.0.8078.47-bp160.1.1
  • chromium openSUSE Tumbleweed 156.0.8078.47-1.1

opensuse advisories openSUSE-SU-2026:22185-1openSUSE-SU-2026:12234-1

Is CVE-2026-113239 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2026-113239 updated cvss 8.8

chromium-browser: chromium-browser: arbitrary code execution within sandbox via crafted HTML page

  • 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
20d ago

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-09).

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-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Technology feeds

References

Sources

Fencer Intel 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.