CVE-2026-9918

Description

Inappropriate implementation in Tint in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

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

0.0024

Probability of exploitation

0.15%

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	< 148.0.7778.216

References

Other References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html https://issues.chromium.org/issues/500099471

Frequently Asked Questions

What is CVE-2026-9918? +

Inappropriate implementation in Tint in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High) It has a CVSS v3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2026-9918? +

CVE-2026-9918 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 0.0024, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-9918? +

CVE-2026-9918 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-2026-9918? +

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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