Is CVE-2026-44083 in the CISA KEV catalog?

No. CVE-2026-44083 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-44083?

CVE-2026-44083 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2026-44083?

CVE-2026-44083 has an EPSS score of 0.46% (36th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-44083

CRITICAL

9.8

CVSS v3

NVD

Description

An authorization bypass through user-controlled key vulnerability has been reported to affect QuMagie. The remote attackers can then exploit the vulnerability to gain unintended privileges. We have already fixed the vulnerability in the following version: QuMagie 2.9.1 and later

CWE-639

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.46%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

https://www.qnap.com/en/security-advisory/qsa-26-35

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-12.