CVE-2026-15684 Glarysoft Glary Utilities Link Following Local Privilege Escalation Vulnerability
Local attackers can escalate privileges to SYSTEM by exploiting a link following flaw in the Disk Clean feature of Glary Utilities.
- 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-2026-15684?
CVE-2026-15684 is a high-severity vulnerability in Glarysoft Glary Utilities, published on 13 Jul 2026. 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
Glarysoft Glary Utilities Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Glarysoft Glary Utilities. 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 Disk Clean functionality. By creating a junction, an attacker can abuse the service to delete arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-27004.
Weakness: CWE-59
Which versions are affected by CVE-2026-15684?
How do I fix CVE-2026-15684?
No fix has been published for CVE-2026-15684 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-15684 being exploited?
There is no known exploitation of CVE-2026-15684 in the wild and no public exploit code.
Sources
Also known as GHSA-q8cx-4p2w-v29c.