What is CVE-2026-7953?

CVE-2026-7953 is a medium-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2026-05-06.

How severe is CVE-2026-7953?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Improper input validation in Apple macOS

CVE-2026-7953

Insufficient validation of untrusted input in Omnibox in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via malicious network traffic. (Chromium security severity: Medium)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-05-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
issues.chromium.org/issues/496379792 (Permissions Required)

Frequently asked questions

What is CVE-2026-7953?: CVE-2026-7953 is a medium-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2026-05-06.
How severe is CVE-2026-7953?: Medium severity. CVSS v3 base score is 6.1 out of 10.