CVE-2026-0040 Integer overflow in Android
An integer overflow in Android's UBSan runtime allows remote attackers to cause a denial of service without user interaction or privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-0040?
CVE-2026-0040 is a medium-severity vulnerability in Google Android, published on 1 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In multiple functions of ubsan_throwing_runtime.cpp, there is a possible way to cause a crash due to an integer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-190
Which versions are affected by CVE-2026-0040?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2026-0040?
Apply the vendor's patch.
Is CVE-2026-0040 being exploited?
There is no known exploitation of CVE-2026-0040 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-467994860, ASB-A-467994860, GHSA-fpvf-j2jf-ggp7.