critical Known exploitedREV. 01

CVE-2014-0497Adobe Flash Player — Integer Underflow to Code Execution

An integer underflow in Adobe Flash Player runs attacker code when crafted content is played, which in practice meant any web page could take over the machine viewing it.

YOUR NEXT MOVE

Upgrade Flash Player to 11.7.700.261, 12.0.0.44 or 11.2.202.336, 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
2014-02-05
Added to KEV
2024-09-17
Exploit published
Not recorded
Confidence
medium
Kill chain
execution
MITRE ATT&CK
T1203
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 11.7.700.261, Flash Player 12.0.0.44, Flash Player 11.2.202.336

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-2014-0497 · CRDS 0.1 · Issued 2026-08-07