CVE-2024-13944

Link Following Local Privilege Escalation Vulnerability in NortonUtilitiesSvc in Norton Utilities Ultimate (Also affects Avast CleanUp and AVG TuneUp)

State: Published
Severity: 7.8 High
Published: May 9, 2025
Updated: Oct 13, 2025
Reserved: May 6, 2025

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Description

Link Following Local Privilege Escalation Vulnerability in NortonUtilitiesSvc in Norton Utilities Ultimate Version 24.2.16862.6344 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via the creation of a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NLOK

Weaknesses

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-59 Improper Link Resolution Before File Access ('Link Following')

Affected Products

Product	Versions
Norton Utilities UltimateNorton	24.3.17165.6812 and earlierAffected
CleanUpAvast	24.3.17165.19178 and earlierAffected
TuneUpAVG	24.3.17165.10564 and earlierAffected

References

https://www.gendigital.com/us/en/contact-us/security-advisories/

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