No exploitation reportedFix available

CVE-2016-4155

No exploitation reported by the sources we read.

Published2016-06-16
WeaknessCWE-787

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

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.

Timeline

dates in UTC

2016-06-1614:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2016-4155?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-4155?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
11.2	≤ 11.2.202.621	no fix published	NVD
18.0	≤ 18.0.0.352	no fix published	NVD
21.0	≤ 21.0.0.242	no fix published	NVD

Opensuse

Branch	Affected	Fixed in	Source
13.1	= 13.1	no fix published	NVD
13.2	= 13.2	no fix published	NVD

Redhat enterprise linux desktop

Branch	Affected	Fixed in	Source
5.0	= 5.0	no fix published	NVD
6.0	= 6.0	no fix published	NVD

5 more products 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

docs.microsoft.comPatch
helpx.adobe.comPatch · Vendor Advisory

Detection

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

Sources

NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
NVDweakness (CWE)CWE-787read 2026-10-23
FIRST EPSSEPSS score4.8 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2016-06-16
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-4155?

Is CVE-2016-4155 actively exploited?

Active exploitation of CVE-2016-4155 has not been confirmed. Its EPSS score was 4.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-4155?

CVE-2016-4155 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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