CVE-2021-36710

8.8 highEPSS 0.4%

High (8.8) in toaruos toaruos. EPSS 0.4% chance of exploitation in the next 30 days.

ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE: CWE-668
Published: 2022-06-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

toaruos:toaruos

References

https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-strikes-back.c
https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-strikes-back.c

Check your stack JSON