What is CVE-2026-10923?

CVE-2026-10923 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 8.8/10. Published 2026-06-04.

How severe is CVE-2026-10923?

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

Use After Free in Google Android

CVE-2026-10923

Use after free in WebAppInstalls in Google Chrome on Android prior to 149.0.7827.53 allowed a local attacker to execute arbitrary code via a malicious file. (Chromium security severity: High)

Vulnerability class: Use-After-Free

Published 2026-06-04 · last modified 2026-07-22.

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 (26.6th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.6% 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

Google Android
Google Chrome — versions 149.0.7827.53

Weakness classification (CWE)

CWE-416 — Use After Free

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
issues.chromium.org/issues/499423683 (Permissions Required)

Frequently asked questions

What is CVE-2026-10923?: CVE-2026-10923 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 8.8/10. Published 2026-06-04.
How severe is CVE-2026-10923?: High severity. CVSS v3 base score is 8.8 out of 10.