Threats / Microsoft / CVE-2014-4114
CVE-2014-4114
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Microsoft Windows vulnerability
A remote code execution vulnerability in Windows OLE allows attackers to execute arbitrary code when a user opens a specially crafted file.
Verdict
Today item — known-exploited.
This OLE object validation flaw enables unauthenticated remote code execution through file-based attack vectors. The high EPSS score and active exploitation in the wild indicate immediate risk to Windows systems.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
22 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 2022-03-03).
Probability (EPSS)
EPSS 0.81628 — 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.
Weakness (CWE)
Mapped to CWE-20 Improper Input Validation.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution 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 board1
Front door — unauthenticated access narrative 1
Attacker
Craft a malicious OLE object embedded in a document file and distribute it via email or web.
Business
Users receive seemingly legitimate documents that trigger code execution upon opening, compromising endpoint security.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
Exploit the OLE parsing weakness to bypass validation checks and inject executable code.
Business
Attackers gain code execution in the user's security context without additional user interaction beyond file opening.
3
Lateral reach — past segmentation narrative 3
Attacker
Execute arbitrary commands or install malware on the compromised system.
Business
Systems become infected with persistent threats, leading to data theft, lateral movement, or operational disruption.
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