๐Ÿ” CVE Alert

CVE-2026-13121

HIGH 7.8

Parallels RAS Client RDP Backend Service Exposed Dangerous Function Local Privilege Escalation Vulnerability

CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th

Parallels RAS Client RDP Backend Service Exposed Dangerous Function Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels RAS Client. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the RAS RDP Backend Service. The issue results from an exposed dangerous function. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-29220.

CWE CWE-749
Vendor parallels
Product ras client
Published Aug 20, 2026
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CVSS v3 Breakdown

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Versions

Parallels / RAS Client
21.0.26296

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
zerodayinitiative.com: https://www.zerodayinitiative.com/advisories/ZDI-26-554/