Endpoint Protection and EDR
CVE-2025-13919: Component Object Model (COM) Hijacking in Symantec Endpoint Protection Windows Client
Symantec Endpoint Protection, prior to 14.3 RU10 Patch 1, RU9 Patch 2, and RU8 Patch 3, may be susceptible to a COM Hijacking vulnerability, which is a type of issue whereby an attacker attempts to establish persistence and evade detection by hijacking COM references in the Windows Registry.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Symantec Endpoint Protection Windows Client 14.3 | See the advisory |
| Symantec Endpoint Protection Windows Client 14.3 | Not affected |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Symantec Endpoint Protection, prior to 14.3 RU10 Patch 1, RU9 Patch 2, and RU8 Patch 3, may be susceptible to a COM Hijacking vulnerability, which is a type of issue whereby an attacker attempts to establish persistence and evade detection by hijacking COM references in the Windows Registry.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.