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High 7.3Published Dec 23, 2025

CVE-2025-12838MSP360 Free Backup Link Following Local Privilege Escalation Vulnerability

Updated under an hour ago ()

Does this affect you?

It affects MSP360 Free Backup. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

MSP360 Free Backup Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MSP360 Free Backup. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. User interaction on the part of an administrator is needed additionally. The specific flaw exists within the restore functionality. By creating a junction, an attacker can abuse the service to create arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-27245.

CVSS
7.3 HIGH (v3.0, CNA)CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-59
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
zdi
NVD analysis
Deferred
Record last updated
Dec 24, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
MSP360 Free Backup
msp360:free_backup (from the name)
8.1.0.620
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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