CVE-2026-2450 PUBLISHED

Assigner: upKeeper
Reserved: 13.02.2026 Published: 14.04.2026 Updated: 14.04.2026

.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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:H/SI:H/SA:H
CVSS Score: 7.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	High
Attack Complexity	High	Integrity	Low	Integrity	High
Attack Requirements	Present	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	upKeeper Solutions
Product	upKeeper Instant Privilege Access
Versions	Default: unaffected affected from 0 to 1.5.0 (incl.)

Credits

Tony Nilsson finder

References

https://support.upkeeper.se/hc/en-us/articles/26783542353692-CVE-2026-2450-NET-misconfiguration-use-of-impersonation

Problem Types

CWE-520 .NET misconfiguration: use of impersonation CWE

Impacts

CAPEC-30 Hijacking a Privileged Thread of Execution