CVE-2026-58846 Use after free in Android
A use-after-free vulnerability in the Android kernel allows local attackers to escalate privileges without user interaction or additional permissions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-58846?
CVE-2026-58846 is a high-severity use after free vulnerability in Google Android, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In kvm_iommu_map_sg of iommu.c, there is a possible use after free due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-269
Which versions are affected by CVE-2026-58846?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2026-58846?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-58846 being exploited?
There is no known exploitation of CVE-2026-58846 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-508703529, ASB-A-508703529, GHSA-c266-hfj6-r5gw.