CVE-2014-8439

Exp

Adobe Flash Player before 13.0.0.258 and 14.x and 15.x before 15.0.0.239 on Windows and OS X and before 11.2.202.424 on Linux, Adobe AIR before 15.0.0.293, Adobe AIR SDK before 15.0.0.302, and Adobe AIR SDK & Compiler before 15.0.0.302 allow attackers to execute arbitrary code or cause a denial of service (invalid pointer dereference) via unspecified vectors.

Published: 2014-11-25 Last update: 2026-04-21 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-8439 is rated Critical Active Threat (99.2/100): CVSS High severity, with high exploitation likelihood (EPSS 34.44%, 97th percentile). CISA KEV confirms active exploitation (added 2022-05-25) affecting Adobe / Flash Player. a weakness (CWE-119) Unauthenticated remote administrative access may be possible. EPSS rose +7.38% over the last day, indicating growing attacker interest. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2014-8439

Name: Adobe Flash Player Dereferenced Pointer Vulnerability · CISA KEV detail

Exploit added: 2022-05-25

Action due: 2022-06-15

Required action: The impacted product is end-of-life and should be disconnected if still in use.

Exploit prediction scoring system (EPSS) score for CVE-2014-8439

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-22 27.07% 34.44% +7.38%
2 2025-12-14 25.74% 27.07% +1.32%
3 2025-10-22 — 25.74% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8439

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2014-8439

OS Trackers for CVE-2014-8439

vendor priority summary link
gentoo normal CVE-2014-8439: 1 GLSA(s) (201412-07), 1 atom(s) (www-plugins/adobe-flash); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-8439
redhat critical — https://access.redhat.com/security/cve/CVE-2014-8439
ubuntu medium CVE-2014-8439 medium priority: Ubuntu including 2 source packages (adobe-flashplugin, flashplugin-nonfree), 10 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 8, ignored 2. https://ubuntu.com/security/CVE-2014-8439

Affected software / configurations for CVE-2014-8439

Vendor Product Version Raw CPE
adobe flash_player <= 11.2.202.418 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe air <= 15.0.0.292 cpe:2.3:a:adobe:air:*:*:*:*:*:*:*:*
adobe air_sdk <= 15.0.0.301 cpe:2.3:a:adobe:air_sdk:*:*:*:*:*:*:*:*
adobe air_sdk_\&_compiler < 15.0.0.302 cpe:2.3:a:adobe:air_sdk_\&_compiler:*:*:*:*:*:*:*:*
adobe flash_player <= 15.0.0.223 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe flash_player <= 13.0.0.252 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*

References for CVE-2014-8439

URL Tags
http://helpx.adobe.com/security/products/flash-player/apsb14-22.html Vendor Advisory
http://helpx.adobe.com/security/products/flash-player/apsb14-26.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-11/msg00020.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-12/msg00001.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-12/msg00004.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1915.html Vendor Advisory
http://secunia.com/advisories/60217 Permissions Required
http://www.securityfocus.com/bid/71289 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1031259 Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/98932 Third Party Advisory VDB Entry
https://www.f-secure.com/weblog/archives/00002768.html Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-8439 US Government Resource
cvelogic Threat Intelligence