CVE-2026-8543 — MEDIUM (5.3)

Q: How severe is CVE-2026-8543?

CVE-2026-8543 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-8543?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos.

Vulnerability Description

Out of bounds read in FileSystem in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who convinced a user to engage in specific UI gestures to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Chrome	< 148.0.7778.168
Apple	Macos	-

Related Weaknesses (CWE)

CWE-125

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_ProductVendor Advisory
https://issues.chromium.org/issues/497095799Permissions Required

FAQ

What is CVE-2026-8543?

CVE-2026-8543 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Out of bounds read in FileSystem in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who convinced a user to engage in specific UI gestures to obtain potentially sensitive inform...

How severe is CVE-2026-8543?

CVE-2026-8543 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8543?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos.