CVE-2026-107782: winsiderss System Informer

System Informer before 4.0.26241.138 Incorrect Authorization in phsvc ALPC Port

CVSS 8.5 HighEPSS 0.0011 · 1st percentile

Published by the CVE Program (CNA: VulnCheck) at 8 Oct 2026, 20:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
winsiderss	System Informer https://github.com/winsiderss/systeminformer pkg:github/winsiderss/systeminformer	affected before 4.0.26241.138 custom unaffected 4.0.26241.138 custom Other versions: unaffected

Identifiers

CVE-2026-107782

CNA

VulnCheck

Weakness (CWE)

CWE-863

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.5	High	4.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0011, the 1st percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 8 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/winsiderss/systeminformer/commit/ce451a264a424f6f386b1615df651f8364aaeb9f patch
github.com/winsiderss/systeminformer/blob/v3.2.25011.2103/SystemInformer/phsvc/svcapiport.c#L196-L230 technical-description
github.com/winsiderss/systeminformer/releases/tag/v4.0.26241.138 release-notes
github.com/winsiderss/systeminformer product
www.vulncheck.com/advisories/system-informer-before-4.0.26241.138-incorrect-authorization-in-phsvc-alpc-port third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.