basicsecurity.net
Proof, not just disclosure.
Threats / Microsoft / CVE-2022-22718
CVE-2022-22718 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

Microsoft Windows vulnerability

Microsoft Windows Print Spooler vulnerability allows privilege escalation through an unspecified mechanism. The vulnerability has been exploited in the wild.

Verdict

Today item — known-exploited.

A privilege escalation flaw in Windows Print Spooler enables attackers to elevate permissions on affected systems. Active exploitation in the wild indicates immediate risk to unpatched Windows deployments.

CISA KEV Yes · 2022-04-193EPSS 0.18464 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
1 independent public report of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
cisa.gov ↗Confirmed
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-19).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.18464 — 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
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 identify a Windows system running the Print Spooler service with the vulnerability present.
Business
Affected organizations face exposure of all systems with Print Spooler enabled, potentially spanning entire Windows deployments.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I trigger the unspecified vulnerability in Print Spooler to escalate my privileges from a lower-privileged context.
Business
Attackers gain system-level access, enabling lateral movement, data exfiltration, and persistent compromise across the network.
3

Lateral reach — past segmentation narrative 3

Attacker
I execute arbitrary code or commands with elevated privileges to establish control over the compromised system.
Business
Full system compromise allows attackers to install malware, steal credentials, and pivot to critical infrastructure or sensitive data repositories.
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)
  • 1 reported-exploitation source(s)
  • 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.