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Threats / 7-Zip / CVE-2025-0411
CVE-2025-0411 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

7-Zip vulnerability

7-Zip fails to properly enforce Mark-of-the-Web security protections, allowing remote attackers to bypass this mechanism and execute arbitrary code with user privileges.

Verdict

Today item — known-exploited.

A protection mechanism failure in 7-Zip's handling of Mark-of-the-Web allows remote code execution when processing untrusted archives. The vulnerability is actively exploited in the wild.

CISA KEV Yes · 2025-02-063EPSS 0.65887 (verify live)4Exploit Public PoC5
01

Is it exploitable?

— the evidence, ranked above the score
Exploit available
Public proof-of-concept exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
9 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 2025-02-06).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.65887 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: 7-Zip, 7-Zip. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-693 Protection Mechanism Failure.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
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 craft a malicious archive and deliver it to a target via email or web download, relying on the victim's browser or email client to strip the Mark-of-the-Web indicator.
Business
End users receive seemingly safe files that execute attacker code upon extraction, compromising workstations and enabling lateral movement into corporate networks.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I exploit the bypassed security feature to execute arbitrary code in the context of the user opening the archive in 7-Zip.
Business
Attackers gain immediate code execution at user privilege level, allowing data theft, malware installation, and persistence mechanisms on affected systems.
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)
  • Public PoC available (VulnCheck)
  • 9 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Public exploit availability
  • Catalogued by zdi (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 zdiCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.