Vulnerability · Published Nov 2, 2026 · Assigned by google_android
CVE-2026-58826
High 8.4
In plain English
A high-severity use-after-free in Android from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.2%top 92.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://android.googlesource.com/kernel/common/+/13beada2dac38c2d7303f1700aa16fb5053b919d
- https://android.googlesource.com/kernel/common/+/efe16a3021b9f95eb1cb83e98d0d1db9bff94ce4
- https://android.googlesource.com/kernel/common/+/f7d26609785ce56170645d56f306db38e8ba277a
- https://android.googlesource.com/kernel/common/+/009c5006c969826d37a2c5fc2721a7bb20d72555
- https://source.android.com/docs/security/bulletin/2026/2026-11-01