No exploitation reportedFix available

CVE-2015-8644

No exploitation reported by the sources we read.

Published2015-12-28

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allow attackers to execute arbitrary code by leveraging an unspecified "type confusion."

Timeline

dates in UTC

2015-12-2823:59CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2015-8644?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2015-8644?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Adobe flash playerversion to verify

Branch	Affected	Fixed in	Source
18.0	≤ 18.0.0.268	no fix published	NVD
19.0	= 19.0.0.185	no fix published	NVD
19.0	= 19.0.0.207	no fix published	NVD
19.0	= 19.0.0.226	no fix published	NVD
19.0	= 19.0.0.245	no fix published	NVD
20.0	= 20.0.0.228	no fix published	NVD
20.0	= 20.0.0.235	no fix published	NVD
11.2	≤ 11.2.202.554	no fix published	NVD

Adobe airversion to verify

Branch	Affected	Fixed in	Source
20.0	≤ 20.0.0.204	no fix published	NVD

Adobe air sdkversion to verify

Branch	Affected	Fixed in	Source
20.0	≤ 20.0.0.204	no fix published	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

helpx.adobe.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
FIRST EPSSEPSS score26.1 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2015-12-28
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2015-8644?

Is CVE-2015-8644 actively exploited?

Active exploitation of CVE-2015-8644 has not been confirmed. Its EPSS score was 26.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-8644?

CVE-2015-8644 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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