CVE-2026-2450 Privilege escalation in upKeeper Instant Privilege Access
An attacker can hijack a privileged thread of execution in upKeeper Instant Privilege Access to escalate privileges and execute code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2450?
CVE-2026-2450 is a high-severity vulnerability in upKeeper Instant Privilege Access, published on 14 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
.NET misconfiguration: use of impersonation vulnerability in upKeeper Solutions upKeeper Instant Privilege Access allows Hijacking a Privileged Thread of Execution.This issue affects upKeeper Instant Privilege Access: through 1.5.0.
Weakness: CWE-520
Which versions are affected by CVE-2026-2450?
How do I fix CVE-2026-2450?
No fix has been published for CVE-2026-2450 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2450 being exploited?
There is no known exploitation of CVE-2026-2450 in the wild and no public exploit code.
Sources
Also known as GHSA-xgq8-f73q-q3gm.