What is CVE-2026-13023?

CVE-2026-13023 is a medium-severity vulnerability in Apple macOS, classified under CWE-457. CVSS score: 5.3/10. Published 2026-06-24.

How severe is CVE-2026-13023?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Apple macOS

CVE-2026-13023

Uninitialized Use in GPU in Google Chrome prior to 149.0.7827.197 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Published 2026-06-24 · last modified 2026-06-26.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% 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

Weakness classification (CWE)

CWE-457

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630… (Vendor Advisory)
issues.chromium.org/issues/517080836 (Permissions Required)

Frequently asked questions

What is CVE-2026-13023?: CVE-2026-13023 is a medium-severity vulnerability in Apple macOS, classified under CWE-457. CVSS score: 5.3/10. Published 2026-06-24.
How severe is CVE-2026-13023?: Medium severity. CVSS v3 base score is 5.3 out of 10.