Skip to content
skopnix
Dossier · Vulnerability

Vulnerability · NVD published 2026-07-14

CVE-2026-50343

Improper privilege management in Microsoft Install Service allows an authorized attacker to elevate privileges locally.

Signals

Exploited in the wild
Not on KEVNot in CISA's catalogue as of the last daily pull. Absence is not proof of safety.
EPSS · 30-day forecast
0%Chance of exploitation in the next 30 days, 21th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD · HIGH
7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

1 known · links only

GitHub PoCs · by trust, then stars1

  1. CVE-2026-50343 InstallService StaticPluginMap EoP - standard user to SYSTEM

    ★ 48 · created 2026-06-03

Fake proof-of-concept repositories have been used to deliver malware to the researchers who run them. The trust verdict is our engine's heuristic over the repository (account age, what it ships, how its stars arrived); it is a reason to read the code first, not a finding about its author.

On the wire

1 dispatch
  1. Rapid7 Analysis: Microsoft SharePoint JWT Token Authentication Bypass (CVE-2026-55040)KEV

Watch this one?

KEV additions reach Telegram and the KEV-only RSS as they land.

Check your stack

Paste what you run: the CVEs exploited in the wild against it, and who is cited as exploiting them, with the report.

Stack checkNo key. No signup.