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Vulnerability record · CVE-2026-3991 · published 30 March 2026

CVE-2026-3991: Inclusion from untrusted sphere vulnerability

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.

7.8 CVSS 3.1 High EPSS 0.16% · top 95.3% CWE-829 · Inclusion from untrusted sphere Awaiting Analysis
7.8CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37306

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Related vulnerabilities

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

9.8CVE-2026-0770Langflow validate endpoint exec_globals remote code executionLangflow mishandles the exec_globals parameter passed to its validate endpoint, allowing functionality from an untrusted control sphere to be include…KEVEPSS 64%analysed7.8CVE-2025-32463Sudo chroot local privilege escalation via untrusted nsswitch.confSudo before 1.9.17p1 loads /etc/nsswitch.conf from a user-controlled directory when the --chroot option is used, allowing inclusion of functionality …KEVEPSS 61%analysed

Source: NIST National Vulnerability Database (record CVE-2026-3991), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.