CVE-2025-48959 Privilege escalation in Acronis Cyber Protect Cloud Agent
Local attackers can escalate privileges via insecure file permissions in the Acronis Cyber Protect Cloud Agent for Windows.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-48959?
CVE-2025-48959 is a medium-severity vulnerability in Acronis Cyber Protect Cloud Agent, published on 4 Jun 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Local privilege escalation due to insecure file permissions. The following products are affected: Acronis Cyber Protect Cloud Agent (Windows) before build 40077.
Weakness: CWE-276
Which versions are affected by CVE-2025-48959?
How do I fix CVE-2025-48959?
No fix has been published for CVE-2025-48959 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-48959 being exploited?
There is no known exploitation of CVE-2025-48959 in the wild and no public exploit code.
Sources
Also known as GHSA-grcx-9235-p4r6.