Threats / Adobe / CVE-2015-8651
CVE-2015-8651
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Adobe Flash Player vulnerability
Integer overflow in Adobe Flash Player enables remote code execution. The vulnerability has been actively exploited in the wild.
Verdict
Today item — known-exploited.
An integer overflow flaw in Flash Player permits attackers to achieve arbitrary code execution on affected systems. High EPSS score and confirmed wild exploitation indicate significant practical risk to users running vulnerable versions.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
12 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 0.67922 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Adobe, Flash Player. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-189 CWE-189.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
WeaknessCWE-189 · CWE-189
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 Flash file containing integer overflow payload and host it on a compromised or attacker-controlled website.
Business
Users visiting compromised websites or opening malicious files face immediate system compromise and data theft risk.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
Distribute the malicious Flash content via email, advertisements, or social engineering to maximize victim reach.
Business
Enterprise networks become vulnerable to widespread infection if employees interact with compromised content.
3
Lateral reach — past segmentation narrative 3
Attacker
Exploit the integer overflow to break memory protections and execute arbitrary code with user privileges.
Business
Attackers gain persistent access to systems, enabling lateral movement, data exfiltration, and further compromise.
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