CVE-2025-43596 MSP360 Backup (for Windows) insecure filesystem permissions
A low-privileged user can escalate to SYSTEM privileges via insecure file permissions in MSP360 Backup for Windows.
- 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-2025-43596?
CVE-2025-43596 is a high-severity vulnerability in MSP360 Backup, published on 22 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An insecure file system permissions vulnerability in MSP360 Backup 8.0 allows a low privileged user to execute commands with SYSTEM level privileges using a specially crafted file with an arbitrary file backup target. Upgrade to MSP360 Backup 8.1.1.19 (released on 2025-05-15).
Weakness: CWE-276
Which versions are affected by CVE-2025-43596?
It affects 1 product.
Products include Msp360 Backup.
How do I fix CVE-2025-43596?
No fix has been published for CVE-2025-43596 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-43596 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-43596 exists.
Other vulnerabilities in MSP360 Backup
Sources
Also known as GHSA-9r52-rcmc-x62w.