Threats / Adobe / CVE-2014-8439
CVE-2014-8439
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-08-04
Adobe Flash Player vulnerability
Adobe Flash Player contains a memory pointer dereference vulnerability that could allow remote code execution through malicious content.
Verdict
Today item — known-exploited.
A memory safety flaw in Flash Player's pointer handling enables arbitrary code execution when processing specially crafted media. The vulnerability has been observed exploited in the wild, posing active risk to users running vulnerable versions.
CISA KEV Yes · 2022-05-254EPSS 0.20008 (verify live)5CVSS 8.8 (CISA)3CISA SSVC Exploitation: active · Automatable: no · Impact: total3
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
5 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 2022-05-25).
Probability (EPSS)
EPSS 0.20008 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) · Affected: Adobe, Flash Player. Confirm exact fixed builds in the vendor advisory.CVSS — CISA-assigned via the ADP container (CVE.org), version 3.1; the CNA left no metrics, so CISA's own score is used ahead of NVD.
Weakness (CWE)
Mapped to CWE-119 Memory Buffer Bounds Error — weakness family: Memory safety.CWE assignment from the public NVD record (may be stale); the weakness class drives how the flaw is exploited.
CISA SSVC (triage disposition)
Exploitation: active · Automatable: no · Technical Impact: totalCISA's own stakeholder-specific triage inputs, published in the CVE record (CISA Coordinator role). NOTE: this is CISA's three decision points; the final Act/Attend/Track decision also requires a Mission & Well-being input not published here, so no overall decision is asserted.
Currency of the record
CISA added this to its KEV catalog 2738 days after the CVE record was published.KEV lag = CISA-KEV dateAdded − CVE.org datePublished; a floor on how long the known-exploited flaw sat in the public record before the federal catalog listed it. Severity/weakness here is CNA- or CISA-assigned (current at disclosure), independent of NVD's analysis backlog.
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
Deliver malicious Flash content to the target via web page, email attachment, or compromised site.
Business
User systems become compromised without user awareness, enabling data theft, malware installation, or lateral network movement.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
Trigger the memory dereference flaw by crafting specific pointer values in the Flash payload.
Business
Attackers gain code execution in the Flash Player process context, bypassing browser sandbox protections.
3
Lateral reach — past segmentation narrative 3
Attacker
Execute arbitrary commands or install persistent backdoors on compromised endpoints.
Business
Enterprise networks face data exfiltration, operational disruption, and compliance violations from uncontrolled code execution.
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