CVE-2026-67846 Privilege escalation in n/a
Incorrect privilege assignment in BOOM processor TLB allows privilege escalation due to missing mode validity checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67846?
CVE-2026-67846 is a high-severity vulnerability in n/a, published on 18 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Berkeley Out-of-Order Machine (BOOM) commit 5223e44cfeb26f41380057a2eb4d651197475f69 contains a potential incorrect privilege assignment issue in the v3 and v4 NBDTLB implementations. The raw mstatus.SUM value participates in the read and write permission logic without an explicit local satp.MODE validity check at the use site
Weakness: CWE-266
Which versions are affected by CVE-2026-67846?
How do I fix CVE-2026-67846?
No fix has been published for CVE-2026-67846 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-67846 being exploited?
There is no known exploitation of CVE-2026-67846 in the wild and no public exploit code.
Sources
Also known as GHSA-5x2c-mgv4-rwhh.