SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-4138

Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier, as used in the Adobe Flash libraries in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, has unknown impact and attack vectors, a different vulnerability than other CVEs…

EXPLOIT ✓CRITICAL 9.8EPSS 25.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 25.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier, as used in the Adobe Flash libraries in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, has unknown impact and attack vectors, a different vulnerability than other CVEs listed in MS16-083.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
25.42% probability · 98th percentile
Public exploits
1 in Exploit-DB · verified · first 11 July 2016
CISA KEV
Not listed
Affected
redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · adobe/flash player · adobe/flash player desktop runtime · opensuse/opensuse · suse/linux enterprise desktop · suse/linux enterprise workstation extension
Source
psirt@adobe.com
EPSS trend
0%15%30%4 November 2026: 25.42%4 November 20264 November 2026

EPSS 25.4% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-40090source ↗Adobe Flash - ATF Image Packing Overflowmultiple · Google Security Researchdos11 July 2016yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.