CVE-2026-33253 Privilege escalation in SANUPS SOFTWARE

High 8.4 Published Updated

Local attackers with write access to the system drive root can execute arbitrary code with SYSTEM privileges due to unquoted service paths.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-33253?

CVE-2026-33253 is a high-severity vulnerability in SANYO DENKI CO., LTD. SANUPS SOFTWARE, published on 25 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

SANUPS SOFTWARE provided by SANYO DENKI CO., LTD. registers Windows services with unquoted file paths. A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege.

Weakness: CWE-428

Which versions are affected by CVE-2026-33253?

How do I fix CVE-2026-33253?

No fix has been published for CVE-2026-33253 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-33253 being exploited?

There is no known exploitation of CVE-2026-33253 in the wild and no public exploit code.

Sources

Also known as GHSA-8745-x4ph-xhpc.

Is CVE-2026-33253 in your software?

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