CVE-2026-113239: chrome — Fix

Description

Range error in SiteIsolation in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0028

Probability of exploitation

0.20%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-118 CWE-118

Affected Products

Vendor	Product	Versions
google	chrome	< 156.0.8078.47
google	android	All

References

Advisories & Patches

https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html

Other References

https://issues.chromium.org/issues/500522368

Frequently Asked Questions

What is CVE-2026-113239? +

Range error in SiteIsolation in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium) It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-113239? +

CVE-2026-113239 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0028, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-113239? +

CVE-2026-113239 affects products from google, specifically: android, chrome. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-113239? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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