Use After Free in Apple macOS
CVE-2026-12445
Use after free in Extensions in Google Chrome prior to 149.0.7827.155 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Apple macOS
- Google Chrome — versions 149.0.7827.155
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175051… (Vendor Advisory)
- issues.chromium.org/issues/513199795 (Permissions Required)
Frequently asked questions
- What is CVE-2026-12445?
- CVE-2026-12445 is a high-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 7.5/10. Published 2026-06-17.
- How severe is CVE-2026-12445?
- High severity. CVSS v3 base score is 7.5 out of 10.