CVE-2024-5840

Name: CVE-2024-5840
Creator: NVD / NIST
Published: 2024-06-11T21:15:54.933+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2024-5840 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Policy bypass in CORS in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to bypass discretionary access control via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

Policy bypass in CORS in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to bypass discretionary access control via a crafted HTML page. (Chromium security severity: Medium)

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.41%

32.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Google	Chrome	< 126.0.6478.54
Fedoraproject	Fedora	39
Fedoraproject	Fedora	40

References

https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop.htmlThird Party Advisory
https://issues.chromium.org/issues/41492103Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7VXA32LXMNK3DSK3JBRLTBPFUH7LTODU/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MPU7AB53QQVNTBPGRMJRY5SXJNYWW3FX/Third Party Advisory
https://chromereleases.googleblog.com/2024/06/stable-channel-update-for-desktop.htmlThird Party Advisory
https://issues.chromium.org/issues/41492103Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7VXA32LXMNK3DSK3JBRLTBPFUH7LTODU/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MPU7AB53QQVNTBPGRMJRY5SXJNYWW3FX/Third Party Advisory

Timeline

Published: Jun 11, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-5840?

Policy bypass in CORS in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to bypass discretionary access control via a crafted HTML page. (Chromium security severity: Medium)

How severe is CVE-2024-5840?

CVE-2024-5840 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2024-5840?

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-2024-5840?

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

Scan your code now

Source: NVD / NIST