Cyber Resilience

CVE-2026-41045

High

Published: 22 June 2026

Published
22 June 2026
Modified
28 June 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0014 3.4th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-41045 is a high-severity Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) vulnerability in Presire Qsnapper. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Abuse Elevation Control Mechanism (T1548); ranked at the 3.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user.

CWE(s)
CWE-367

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1548 Abuse Elevation Control Mechanism Privilege Escalation
Adversaries may circumvent mechanisms designed to control privilege elevation to gain higher-level permissions.
attack.mitre.org →
Why these techniques?

TOCTOU bypass of polkit authentication directly enables abuse of the elevation control mechanism to gain root.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

presire
qsnapper
≤ 1.3.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AU-8 Time Stamps
addresses: CWE-367

Timestamps meeting UTC or offset standards help identify TOCTOU issues through precise chronological reconstruction of check/use operations.

References