CVE-2023-43896 Memory corruption in n/a

High 7.8 Published 10 Oct 2023 Updated 9 Jul 2026

A buffer overflow in Macrium Reflect allows attackers to execute arbitrary code or escalate privileges.

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-2023-43896?

CVE-2023-43896 is a high-severity memory corruption vulnerability in n/a, published on 10 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A buffer overflow in Macrium Reflect 8.1.7544 and below allows attackers to escalate privileges or execute arbitrary code.

Weakness: CWE-120

Which versions are affected by CVE-2023-43896?

It affects 1 product.

Products include Macrium Reflect.

How do I fix CVE-2023-43896?

No fix has been published for CVE-2023-43896 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-2023-43896 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43896 exists.

CVE-2020-10143 Privilege escalation in Reflect High 7.8

Sources

Also known as GHSA-f93q-g4rm-44cc.