CVE-2026-21069 Memory corruption in Samsung Mobile Devices
Local attackers can exploit a numeric conversion error in the VC1 codec to write out-of-bounds memory, potentially leading to code execution or privilege escalation on Samsung mobile devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21069?
CVE-2026-21069 is a medium-severity memory corruption vulnerability in Samsung Android, published on 10 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incorrect conversion between numeric types in VC1 codec in libsavsvc.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
Weakness: CWE-681
Which versions are affected by CVE-2026-21069?
It affects 1 product.
Products include Samsung Android.
How do I fix CVE-2026-21069?
No fix has been published for CVE-2026-21069 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-21069 being exploited?
There is no known exploitation of CVE-2026-21069 in the wild and no public exploit code.
Other vulnerabilities in Samsung Android
Sources
Also known as GHSA-5g8v-hhjf-5g8c.