critical Known exploitedREV. 01

CVE-2015-3113Adobe Flash Player — Heap Overflow to Code Execution

A heap overflow in Adobe Flash Player runs attacker code when a crafted file is played, which for years meant any web page could take over the machine viewing it.

YOUR NEXT MOVE

Upgrade Flash Player to 13.0.0.296, 18.0.0.194 or 11.2.202.468, or remove it entirely.

Read the risk

THE VITAL STATS
CVSS score
9.8/ 10
CVSS v3.1
EPSS probability
100%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2015-06-23
Added to KEV
2022-04-13
Exploit published
Not recorded
Confidence
high
Kill chain
execution
MITRE ATT&CK
T1203, T1068
Severity
critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attacker needsA user opens the crafted content

Fixed inFlash Player 13.0.0.296, Flash Player 18.0.0.194, Flash Player 11.2.202.468

Behind the card

5 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-08-07scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-08-07scrty-crds-pipeline/0.1high
epssapi.first.org2026-08-07scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-08-07claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2015-3113 · CRDS 0.1 · Issued 2026-08-07