Out-of-bounds Read in Apple macOS
CVE-2026-11183
Out of bounds read in GWP-ASan in Google Chrome prior to 149.0.7827.53 allowed a local attacker to obtain potentially sensitive information from process memory via a malicious file. (Chromium security severity: Medium)
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (5.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.6% 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 149.0.7827.53
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html (Vendor Advisory)
- issues.chromium.org/issues/502768780 (Permissions Required)
Frequently asked questions
- What is CVE-2026-11183?
- CVE-2026-11183 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-06-04.
- How severe is CVE-2026-11183?
- Medium severity. CVSS v3 base score is 6.5 out of 10.