A logged in user may elevate its permissions by abusing a Time-of-Check to Time-of-Use (TOCTOU) race condition.

published 2023-10-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-41867

cvss: 7.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

A logged in user may elevate its permissions by abusing a Time-of-Check to Time-of-Use (TOCTOU) race condition. When a particular process flow is initiated, an attacker can exploit this condition to gain unauthorized elevated privileges on the affected system.

Patch / fix

fixed in 1

ivanti secure_access_client 22.6

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 20 mo ago (2025-03-06)

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.0	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Ivanti Secure Access Client

Classification

Weakness

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

References

forums.ivanti.com /s/article/CVE-2023-38041-New-client-side-release-to-address-a-privilege-escalation-on-Windows-user-machines?l
vendor-advisory

Sources

CVE List CVE-2023-38041
NVD CVE-2023-38041

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Summary