What is CVE-2026-8545?

CVE-2026-8545 is a low-severity vulnerability in Apple Macos, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.1/10. Published 2026-05-14.

How severe is CVE-2026-8545?

Low severity. CVSS v3 base score is 3.1 out of 10.

Buffer overflow in Apple Macos

CVE-2026-8545

Object corruption in Compositing in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Buffer Overflow

EPSS: 0.000 (8.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Apple Macos
Google Chrome — versions 148.0.7778.168
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2026-8545?: CVE-2026-8545 is a low-severity vulnerability in Apple Macos, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.1/10. Published 2026-05-14.
How severe is CVE-2026-8545?: Low severity. CVSS v3 base score is 3.1 out of 10.