CVE-2014-8440

Adobe Flash Player <13.0.0.252/14.x-15.x<15.0.0.223 - RCE/DoS via Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2014-8440. PoCs published by Metasploit, Nicolas Joly, Unknown, juan vazquez, including Metasploit module exploits/windows/browser/adobe_flash_uncompress_zlib_uninitialized.

AI-analyzed exploit summary This Metasploit module exploits CVE-2014-8440, an uninitialized memory vulnerability in Adobe Flash Player's ByteArray::UncompressViaZlibVariant method. It delivers a malicious SWF file to trigger memory corruption and execute a PowerShell payload for remote code execution.

Description

Adobe Flash Player before 13.0.0.252 and 14.x and 15.x before 15.0.0.223 on Windows and OS X and before 11.2.202.418 on Linux, Adobe AIR before 15.0.0.356, Adobe AIR SDK before 15.0.0.356, and Adobe AIR SDK & Compiler before 15.0.0.356 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2014-0576, CVE-2014-0581, and CVE-2014-8441.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/36880

This Metasploit module exploits CVE-2014-8440, an uninitialized memory vulnerability in Adobe Flash Player's ByteArray::UncompressViaZlibVariant method. It delivers a malicious SWF file to trigger memory corruption and execute a PowerShell payload for remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Adobe Flash Player 15.0.0.189 and earlier
No auth needed
Prerequisites: Target running Windows 7 SP1 with Internet Explorer 8 or 11 · Flash Player version 15.0.0.189 or earlier
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC GOOD
by Nicolas Joly, Unknown, juan vazquez · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/adobe_flash_uncompress_zlib_uninitialized.rb

This Metasploit module exploits an uninitialized memory vulnerability in Adobe Flash Player's ByteArray::UncompressViaZlibVariant method, leading to memory corruption and arbitrary code execution. It delivers a malicious SWF file via a crafted HTML page to trigger the vulnerability.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Adobe Flash Player 15.0.0.189 and earlier
No auth needed
Prerequisites: Victim must visit a malicious webpage · Flash Player must be installed and vulnerable
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (6)

Core 6
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/36880/
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/98615
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00013.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/71047

Scores

EPSS 0.8241
EPSS Percentile 99.6%

Details

Status published
Products (4)
adobe/air < 15.0.0.356
adobe/air_sdk < 15.0.0.356
adobe/air_sdk_\&_compiler < 15.0.0.356
adobe/flash_player 13.0 - 13.0.0.252
Published Nov 11, 2014
Tracked Since Feb 18, 2026