What is CVE-2024-7977?

CVE-2024-7977 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2024-08-21.

How severe is CVE-2024-7977?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in Google Chrome

CVE-2024-7977

Insufficient data validation in Installer in Google Chrome on Windows prior to 128.0.6613.84 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Medium)

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

Published 2024-08-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.3th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

Google Chrome — versions 128.0.6613.84
Microsoft Windows

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2024/08/stable-channel-update-for-desktop_21.html (Release Notes, Vendor Advisory)
issues.chromium.org/issues/324770940 (Permissions Required)

Frequently asked questions

What is CVE-2024-7977?: CVE-2024-7977 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2024-08-21.
How severe is CVE-2024-7977?: High severity. CVSS v3 base score is 7.8 out of 10.