CVE-2026-88083 Microsoft SQL Server Remote Code Execution Vulnerability
An unauthorized attacker can execute arbitrary code remotely via a stack-based buffer overflow in Microsoft SQL Server.
- 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-2026-88083?
CVE-2026-88083 is a high-severity memory corruption vulnerability in Microsoft SQL Server 2022 (CU 26), published on 13 Oct 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
Stack-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Weakness: CWE-121
Which versions are affected by CVE-2026-88083?
How do I fix CVE-2026-88083?
No fix has been published for CVE-2026-88083 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-2026-88083 being exploited?
There is no known exploitation of CVE-2026-88083 in the wild and no public exploit code.
Sources
Also known as GHSA-wf75-4r9h-4xcw.