CVE-2026-78959 — MEDIUM (6.5)

Q: How severe is CVE-2026-78959?

CVE-2026-78959 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-78959?

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

Vulnerability Description

Improper handling of case sensitivity in FileSystem in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Chrome	< 152.0.7977.65

Related Weaknesses (CWE)

CWE-178

References

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_Release NotesVendor Advisory
https://issues.chromium.org/issues/518084889Permissions Required

FAQ

What is CVE-2026-78959?

CVE-2026-78959 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Improper handling of case sensitivity in FileSystem in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted H...

How severe is CVE-2026-78959?

CVE-2026-78959 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-78959?

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