CVE-2016-7855
KEVAdobe Flash Player Use-After-Free Vulnerability
Description
Use-after-free vulnerability in Adobe Flash Player Windows and OS and Linux allows remote attackers to execute arbitrary code.
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.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedNov 1, 2016
Last modifiedJun 17, 2026
Added to KEVMar 3, 2022
Remediation dueMar 24, 2022
References
- rhn.redhat.com/errata/RHSA-2016-2119.htmlThird Party Advisory
- securityfocus.com/bid/93861Third Party AdvisoryVDB Entry
- securitytracker.com/id/1037111Third Party AdvisoryVDB Entry
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128PatchVendor Advisory
- helpx.adobe.com/security/products/flash-player/apsb16-36.htmlPatchVendor Advisory
- security.gentoo.org/glsa/201610-10Third Party Advisory
- security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.htmlThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7855US Government Resource
0 recent articles mention this CVE
77
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1678 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 25.2% · top 2% of all CVEs
- Weakness
- CWE-416
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.The impacted product is end-of-life and should be disconnected if still in use.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.