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Threats / Microsoft / CVE-2024-38014
CVE-2024-38014 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

Microsoft Windows vulnerability

Microsoft Windows Installer contains an improper privilege management vulnerability allowing attackers to gain SYSTEM privileges. The flaw has been exploited in the wild.

Verdict

Today item — known-exploited.

An attacker can exploit improper privilege handling in Windows Installer to escalate from a lower privilege context to SYSTEM level access, enabling complete system compromise. Active exploitation in the wild increases risk.

CISA KEV Yes · 2024-09-103EPSS 0.06057 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
6 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-10).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.06057 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Microsoft, Windows. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-269 Improper Privilege Management — weakness family: Authorization / access control.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
WeaknessCWE-269 · Improper Privilege ManagementAuthorization / access control
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
I execute code or trigger a Windows Installer operation with limited user privileges.
Business
An unprivileged user account becomes a vector for privilege escalation attacks.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I exploit the privilege management flaw to bypass access controls in the Installer service.
Business
Security boundaries designed to isolate user and system contexts are circumvented.
3

Lateral reach — past segmentation narrative 3

Attacker
I gain SYSTEM-level privileges and execute arbitrary code with full system authority.
Business
The attacker achieves complete control over the affected Windows system and all data.
4

Data at risk — exfiltration narrative 4

Attacker
I install malware, modify system files, or establish persistence mechanisms.
Business
Organizational systems face data theft, operational disruption, and long-term compromise.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • 6 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Catalogued by microsoft (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by microsoftCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.