CVE-2026-87529: chrome — Fix

Description

Numeric truncation error in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

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CVSS v3.1 Score

9.6

CRITICAL

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

EPSS — Exploit Prediction

0.0046

Probability of exploitation

0.39%

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-197 CWE-197

Affected Products

Vendor	Product	Versions
google	chrome	< 153.0.8010.36

References

Advisories & Patches

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html

Other References

https://issues.chromium.org/issues/536423794

Frequently Asked Questions

What is CVE-2026-87529? +

Numeric truncation error in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium) It has a CVSS v3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2026-87529? +

CVE-2026-87529 has a CVSS v3.1 score of 9.6 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0046, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-87529? +

CVE-2026-87529 affects products from google, specifically: chrome. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-87529? +

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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