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CVE-2015-8644

45
FAUCET Score

CVE-2015-8644 is a critical type confusion vulnerability in Adobe Flash Player, Adobe AIR, Adobe AIR SDK, and Adobe AIR SDK & Compiler across Windows, OS X, and Linux platforms. This flaw allows remote attackers to execute arbitrary code on affected systems. With a CVSS v3 score of 8.8 (HIGH), it presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, an ExploitDB entry exists for a "SimpleButton Creation Type Confusion," and it garnered notable community discussion and media coverage at the time of its disclosure, including reports of an emergency patch addressing a Flash zero-day under attack.

Impacted Technologies

VendorProductVersion(s)CPE
<= 18.0.0.268CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
19.0.0.185CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:19.0.0.185:*:*:*:*:*:*:*
19.0.0.207CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:19.0.0.207:*:*:*:*:*:*:*
19.0.0.226CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:19.0.0.226:*:*:*:*:*:*:*
19.0.0.245CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:19.0.0.245:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
26.12%
Probability of exploitation in next 30 days
EPSS Percentile
97.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-39476 · Feb 19, 2016
This CVE's current EPSS score of 0.2612 is in the 98th percentile among its peer group of 14,875 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

adobepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5 SupplementaryFixed in: flash-plugin-0:11.2.202.559-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: flash-plugin-0:11.2.202.559-1.el6_7
View patch

Vendor Advisories (1)

redhatCVE-2015-8644Critical

flash-plugin: multiple code execution issues fixed in APSB16-01

Dec 28, 2015

References

lists.opensuse.org / opensuse-security-announce/2015-12/msg00045.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00046.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00047.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00048.html
rhn.redhat.com / errata/RHSA-2015-2697.html
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
helpx.adobe.com / security/products/flash-player/apsb16-01.html
PatchVendor Advisory
security.gentoo.org / glsa/201601-03
exploit-db.com / exploits/39476
securityfocus.com / bid/79704
securitytracker.com / id/1034544