What is CVE-2026-78984?

CVE-2026-78984 is a low-severity vulnerability in Google Chrome, classified under Use of Uninitialized Resource. CVSS score: 3.4/10. Published 2026-08-25.

How severe is CVE-2026-78984?

Low severity. CVSS v3 base score is 3.4 out of 10.

Vulnerability in Google Chrome

CVE-2026-78984

Uninitialized resource in GPU in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially read memory outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Published 2026-08-25 · last modified 2026-08-31.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (15.1th percentile), scored 2026-10-10.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.1% 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

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/535374213 (Permissions Required)

Frequently asked questions

What is CVE-2026-78984?: CVE-2026-78984 is a low-severity vulnerability in Google Chrome, classified under Use of Uninitialized Resource. CVSS score: 3.4/10. Published 2026-08-25.
How severe is CVE-2026-78984?: Low severity. CVSS v3 base score is 3.4 out of 10.