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CVE-2026-11199

MEDIUMCVSS 5.9/10EPSS 0.19%

Last modified

CVE-2026-11199 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Inappropriate implementation in WebRTC in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium). EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Inappropriate implementation in WebRTC in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)

Metrics

CVSS 3.1
5.9/10

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

EPSS Probability
0.19%

8.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 149.0.7827.53

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2026-11199?
Inappropriate implementation in WebRTC in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)
How severe is CVE-2026-11199?
CVE-2026-11199 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-11199?
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-2026-11199?

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

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Source: NVD / NIST