CVE-2016-7855

Adobe Flash Player Use-After-Free Vulnerability

  • High 8.8
  • Exploited: added to CISA KEV 3 Mar 2022

Description

Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.

Key facts

Published
1 Nov 2016
Last changed
21 Oct 2025
Assigned by
adobe
KEV added
3 Mar 2022
KEV fix due
24 Mar 2022
EPSS
25.198% likely to be exploited in the next 30 days, higher than 97.966% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

  • The impacted product is end-of-life and should be disconnected if still in use.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/an/a
  • n/a (affected)

Timeline

  1. 1 Nov 2016 Published
  2. 3 Mar 2022 CVE-2016-7855 added to CISA KEV
  3. 3 Mar 2022 Added to the CISA KEV catalogue

Weakness

References