Use After Free in Google Android
CVE-2026-58826
In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Google Android — versions Android kernel
Weakness classification (CWE)
References
- android.googlesource.com/kernel/common/+/13beada2dac38c2d7303f1700aa16fb5053b91…
- android.googlesource.com/kernel/common/+/efe16a3021b9f95eb1cb83e98d0d1db9bff94c…
- android.googlesource.com/kernel/common/+/f7d26609785ce56170645d56f306db38e8ba27…
- android.googlesource.com/kernel/common/+/009c5006c969826d37a2c5fc2721a7bb20d725…
- source.android.com/docs/security/bulletin/2026/2026-11-01
Frequently asked questions
- What is CVE-2026-58826?
- CVE-2026-58826 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 8.4/10. Published 2026-11-02.
- How severe is CVE-2026-58826?
- High severity. CVSS v3 base score is 8.4 out of 10.