How severe is CVE-2026-2450?

CVE-2026-2450 has a CVSS 4.0 base score of 7.4, rated high severity.

Is CVE-2026-2450 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2450?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-2450 have an EU (EUVD) identifier?

Yes. CVE-2026-2450 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22249.

When was CVE-2026-2450 published?

CVE-2026-2450 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-2450

CVE-2026-2450 is a high-severity vulnerability with a CVSS 4.0 base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-520.

Key facts

Severity: High (CVSS 4.0 base score 7.4)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22249
Weakness: CWE-520
Published: 2026-04-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-2450?: .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.
How severe is CVE-2026-2450?: CVE-2026-2450 has a CVSS 4.0 base score of 7.4, rated high severity.
Is CVE-2026-2450 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-2450?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-2450 have an EU (EUVD) identifier?: Yes. CVE-2026-2450 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22249.
When was CVE-2026-2450 published?: CVE-2026-2450 was published on 2026-04-14 and last updated on 2026-06-17.

References

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

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