What is CVE-2026-3537?

CVE-2026-3537 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2026-03-04.

How severe is CVE-2026-3537?

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

Buffer overflow in Apple macOS

CVE-2026-3537

Object lifecycle issue in PowerVR in Google Chrome on Android prior to 145.0.7632.159 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

Vulnerability class: Buffer Overflow

Published 2026-03-04 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.004 (27.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000

Affected products

Weakness classification (CWE)

References

chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
issues.chromium.org/issues/474266014 (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-3537?: CVE-2026-3537 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2026-03-04.
How severe is CVE-2026-3537?: High severity. CVSS v3 base score is 8.8 out of 10.