Threats / Microsoft / CVE-2016-0165
CVE-2016-0165
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Microsoft Win32k vulnerability
Microsoft Win32k privilege escalation vulnerability allowing attackers to elevate permissions on affected systems.
Verdict
Today item — known-exploited.
An unspecified privilege escalation flaw in Win32k has been exploited in the wild. Attackers can leverage this to gain elevated system access, though the specific attack vector remains undisclosed.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
3 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 2023-06-22).
Probability (EPSS)
EPSS 0.13533 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Microsoft, Win32k. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-264 Permissions/Privileges/Access Control — weakness family: Authorization / access control.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
Execute code with restricted privileges and trigger the Win32k vulnerability to escalate to system or administrator level.
Business
Compromised system integrity and loss of administrative control over affected Windows endpoints.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
Maintain persistent access by installing backdoors or malware with elevated privileges after successful escalation.
Business
Extended dwell time for attackers within the environment, increasing data exfiltration and lateral movement risk.
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