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CVE-2025-4952VulnerabilityPublished

CVE-2025-4952: ESET NOD32 Antivirus · Incorrect Permissions

Affects ESET NOD32 AntivirusSource CVE Database V5

0

Not known to be exploited · CVSS 6.8 Medium.

Data as of 26 Oct 2026, 07:57 UTC

CVSS 4.0 base score
6.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 31 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

AI-suggested

1. Immediately audit and restrict permissions on the registry keys associated with ESET NOD32 Antivirus to ensure only trusted system processes and administrators have access. 2. Implement strict privilege management policies to minimize the number of users with high-level local privileges. 3. Monitor registry changes related to ESET antivirus configuration using endpoint detection and response (EDR) tools or Windows auditing to detect unauthorized modifications. 4. Enforce application whitelisting and integrity monitoring to prevent unauthorized tampering with security software components. 5. Educate system administrators and users about the risks of privilege misuse and the importance of maintaining endpoint security configurations. 6. Stay alert for official patches or updates from ESET and apply them promptly once released. 7. Consider deploying additional layers of security such as behavior-based malware detection to compensate for potential antivirus disruptions. 8. Regularly back up critical system configurations and registry settings to enable rapid recovery if tampering occurs.

Description

Tampering of the registry entries might have led to preventing the ESET security products from starting correctly on the next system startup or to unauthorized changes in the product's configuration.

References

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