CVE-2025-33044 exFat Memory Corruption Issue
Local attackers can exploit a memory corruption flaw in AMI AptioV BIOS to compromise system integrity and availability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-33044?
CVE-2025-33044 is a medium-severity memory corruption vulnerability in AMI AptioV, published on 14 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
APTIOV contains a vulnerability in BIOS where an attacker may cause an Improper Restriction of Operations within the Bounds of a Memory Buffer by local means. Successful exploitation of this vulnerability may lead to memory corruption and impact Integrity and Availability.
Weakness: CWE-119
Which versions are affected by CVE-2025-33044?
It affects 1 product.
Products include Ami Aptio V.
How do I fix CVE-2025-33044?
No fix has been published for CVE-2025-33044 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-2025-33044 being exploited?
There is no known exploitation of CVE-2025-33044 in the wild and no public exploit code.
Other vulnerabilities in AMI AptioV
- CVE-2022-40250 Stack overflow vulnerability in SMI handler on SmmSmbiosElog.
- CVE-2025-33045 Legacy Serial Redirection SMRAM Vulnerabilities
- CVE-2022-26873 Memory corruption in Aptio
- CVE-2022-40261 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver
- CVE-2022-40262 The arbitrary write vulnerability in S3Resume2Pei leads to arbitrary code execution during PEI phase.
Sources
Also known as GHSA-rgvh-2933-hp94.