What is CVE-2026-7957?

CVE-2026-7957 is a high-severity vulnerability in Apple Iphone_os, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2026-05-06.

How severe is CVE-2026-7957?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Apple Iphone_os

CVE-2026-7957

Out of bounds write in Media in Google Chrome on Mac, iOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security seve…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (31.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Iphone_os
Apple Macos
Google Chrome — versions 148.0.7778.96

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-7957?: CVE-2026-7957 is a high-severity vulnerability in Apple Iphone_os, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2026-05-06.
How severe is CVE-2026-7957?: High severity. CVSS v3 base score is 8.8 out of 10.