What is CVE-2026-2648?

CVE-2026-2648 is a high-severity vulnerability in Google Chrome, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-02-18.

How severe is CVE-2026-2648?

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

Buffer overflow in Google Chrome

CVE-2026-2648

Heap buffer overflow in PDFium in Google Chrome prior to 145.0.7632.109 allowed a remote attacker to perform an out of bounds memory write via a crafted PDF file. (Chromium security severity: High)

Vulnerability class: Buffer Overflow

EPSS: 0.005 (38.8th 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

Google Chrome — versions 145.0.7632.109

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

chrome-cve-admin@google.com (Release Notes)
chrome-cve-admin@google.com (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-2648?: CVE-2026-2648 is a high-severity vulnerability in Google Chrome, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-02-18.
How severe is CVE-2026-2648?: High severity. CVSS v3 base score is 8.8 out of 10.