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Vulnerability record · CVE-2017-9046 · published 21 May 2017

CVE-2017-9046: Pmail pegasus improper input validation vulnerability

Pmail · Pegasus

winpm-32.exe in Pegasus Mail (aka Pmail) v4.72 build 572 allows code execution via a crafted ssgp.dll file that must be installed locally. For example, if ssgp.dll is on the desktop and executes arbitrary code in the DllMain function, then clicking on a mailto: link on a remote web page triggers the attack.

7.3 CVSS 3.0 High EPSS 0.57% · top 55.1% CWE-20 · Improper input validation
7.3CVSS 3.0 base score, v2 4.4
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

winpm-32.exe in Pegasus Mail (aka Pmail) v4.72 build 572 allows code execution via a crafted ssgp.dll file that must be installed locally. For example, if ssgp.dll is on the desktop and executes arbitrary code in the DllMain function, then clicking on a mailto: link on a remote web page triggers the attack.

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

Affected products

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

References

LinkTags
https://packetstormsecurity.com/files/142606/Pegasus-4.72-Build-572-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/142606/Pegasus-4.72-Build-572-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2017-9046), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.