Elevation of Privileges in Symantec Data Loss Prevention Windows Endpoint
Summary
| CVE | CVE-2026-3991 |
|---|---|
| State | PUBLISHED |
| Assigner | symantec |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-30 19:16:27 UTC |
| Updated | 2026-04-01 14:24:21 UTC |
| Description | Symantec Data Loss Prevention Windows Endpoint, prior to 25.1 MP1, 16.1 MP2, 16.0 RU2 HF9, 16.0 RU1 MP1 HF12, and 16.0 MP2 HF15, may be susceptible to a Elevation of Privilege vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.000130000 probability, percentile 0.020380000 (date 2026-04-01)
Problem Types: CWE-829 | CWE-829 CWE-829 Inclusion of functionality from untrusted control sphere
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Broadcom | Data Loss Prevention | unaffected 25.1.00100.60229 | Windows |
| CNA | Broadcom | Data Loss Prevention | unaffected 16.1.00200.60431 | Windows |
| CNA | Broadcom | Data Loss Prevention | unaffected 16.0.20009.60689 | Windows |
| CNA | Broadcom | Data Loss Prevention | unaffected 16.0.10112.60928 | Windows |
| CNA | Broadcom | Data Loss Prevention | unaffected 16.0.00215.62094 | Windows |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| support.broadcom.com/web/ecx/support-content-notification/-/external/content/Secur... | [email protected] | support.broadcom.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Manuel Feifel (en)
There are currently no legacy QID mappings associated with this CVE.