CVE-2026-20766 Milesight Cameras Heap-based Buffer Overflow
An out-of-bounds memory access in Milesight AIOT cameras allows attackers to execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-20766?
CVE-2026-20766 is a high-severity memory corruption vulnerability in Milesight MS-C2964-RFLPC, published on 27 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An out-of-bounds memory access vulnerability exists in specific firmware versions of Milesight AIOT cameras.
Weakness: CWE-122
Which versions are affected by CVE-2026-20766?
How do I fix CVE-2026-20766?
No fix has been published for CVE-2026-20766 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-2026-20766 being exploited?
There is no known exploitation of CVE-2026-20766 in the wild and no public exploit code.
Sources
Also known as GHSA-7x7c-x6r8-32h9.