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Vulnerability record · CVE-2018-4863 · published 5 April 2018

CVE-2018-4863: Sophos endpoint protection vulnerability

Sophos · Endpoint Protection

Sophos Endpoint Protection 10.7 allows local users to bypass an intended tamper protection mechanism by deleting the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Sophos Endpoint Defense\ registry key.

5.5 CVSS 3.0 Medium EPSS 1.2% · top 33.6% CWE-254 · CWE-254
5.5CVSS 3.0 base score, v2 2.1
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

Sophos Endpoint Protection 10.7 allows local users to bypass an intended tamper protection mechanism by deleting the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Sophos Endpoint Defense\ registry key.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://hyp3rlinx.altervista.org/advisories/SOPHOS-ENDPOINT-PROTECTION-v10.7-TAMPER-PROTECTION-BYPASS-CVE-2018-4863.txt ExploitThird Party Advisory
http://seclists.org/fulldisclosure/2018/Apr/6 ExploitMailing ListThird Party Advisory
https://www.exploit-db.com/exploits/44410/ ExploitThird Party AdvisoryVDB Entry
http://hyp3rlinx.altervista.org/advisories/SOPHOS-ENDPOINT-PROTECTION-v10.7-TAMPER-PROTECTION-BYPASS-CVE-2018-4863.txt ExploitThird Party Advisory
http://seclists.org/fulldisclosure/2018/Apr/6 ExploitMailing ListThird Party Advisory
https://www.exploit-db.com/exploits/44410/ ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2020-9363Sophos cloud optix interpretation conflict vulnerabilityThe Sophos AV parsing engine before 2020-01-14 allows virus-detection bypass via a crafted ZIP archive. This affects Endpoint Protection, Cloud Optix…EPSS 0.97%7.8CVE-2018-9233Sophos endpoint protection vulnerabilitySophos Endpoint Protection 10.7 uses an unsalted SHA-1 hash for password storage in %PROGRAMDATA%\Sophos\Sophos Anti-Virus\Config\machine.xml, which …EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2018-4863), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.