CVE-2026-58826
In ksys_unshare of fork.c, there is a possible memory corruption due to a use after free
- Risk score
- 50/100
- CVSS
- 8.4 v3.1
- Published
- 2 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.4 high
References
- https://android.googlesource.com/kernel/common/+/009c5006c969826d37a2c5fc2721a7bb20d72555
- https://android.googlesource.com/kernel/common/+/13beada2dac38c2d7303f1700aa16fb5053b919d
- https://android.googlesource.com/kernel/common/+/efe16a3021b9f95eb1cb83e98d0d1db9bff94ce4
- https://android.googlesource.com/kernel/common/+/f7d26609785ce56170645d56f306db38e8ba277a
- https://source.android.com/docs/security/bulletin/2026/2026-11-01
Original 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.
Last activity 2 Nov 2026. Patch Forecast updates every hour.