CVE-2018-4863

CVE-2018-4863 is a medium-severity vulnerability in Sophos Endpoint Protection with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-254.

Key facts

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.

Frequently asked questions

What is CVE-2018-4863?
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.
How severe is CVE-2018-4863?
CVE-2018-4863 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-4863 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4863?
CVE-2018-4863 affects Sophos Endpoint Protection. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4863?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-4863 published?
CVE-2018-4863 was published on 2018-04-05 and last updated on 2026-06-17.

References

Affected products (1)

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