CVE-2026-7971

MEDIUM

Published May 6, 2026 Modified May 7, 2026 CWE-269

Description

Inappropriate implementation in ORB in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3.1 Score

6.3

MEDIUM

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

EPSS — Exploit Prediction

0.0003

Probability of exploitation

0.09%

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-269 CWE-269

Affected Products

Vendor	Product	Versions
google	chrome	< 148.0.7778.96
apple	macos	All
linux	linux_kernel	All
microsoft	windows	All

References

Advisories & Patches

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html

Other References

https://issues.chromium.org/issues/497529290

Frequently Asked Questions

What is CVE-2026-7971? +

Inappropriate implementation in ORB in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium) It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-7971? +

CVE-2026-7971 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0003, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-7971? +

CVE-2026-7971 affects products from apple, google, linux, microsoft, specifically: chrome, linux_kernel, macos, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-7971? +

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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