CVE-2026-79031

LOW
Published Aug 25, 2026 Modified Aug 28, 2026 CWE-668

Description

Improper resource exposure in Preload in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

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CVSS v3.1 Score

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

EPSS — Exploit Prediction

0.0033
Probability of exploitation
0.26%
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-668 CWE-668

Affected Products

Vendor Product
google chrome

References

Frequently Asked Questions

What is CVE-2026-79031? +
Improper resource exposure in Preload in Google Chrome prior to 152.0.7977.65 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 3.1 (LOW).
How severe is CVE-2026-79031? +
CVE-2026-79031 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0033, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-79031? +
CVE-2026-79031 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-2026-79031? +
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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