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CVE-2026-6313

LOWCVSS 3.1/10EPSS 0.21%

Last modified

CVE-2026-6313 is a low-severity vulnerability rated 3.1/10 on the CVSS scale. Insufficient policy enforcement in CORS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Insufficient policy enforcement in CORS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Metrics

CVSS 3.1
3.1/10

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

EPSS Probability
0.21%

10.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 147.0.7727.101

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-6313?
Insufficient policy enforcement in CORS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-6313?
CVE-2026-6313 has a CVSS score of 3.1/10 (LOW severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-6313?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-6313?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST