CVE-2016-7855
Adobe Flash Player Use-After-Free Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 25.20% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 3 March 2022 · due 24 March 2022
- Weakness
- CWE-416
- Affected
- adobe/flash player · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation
- Source
- psirt@adobe.com
EPSS 25.2% since 27 October 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.
CISA notes
The impacted product is end-of-life and should be disconnected if still in use. https://nvd.nist.gov/vuln/detail/CVE-2016-7855
References
- http://rhn.redhat.com/errata/RHSA-2016-2119.htmlThird Party Advisory
- http://www.securityfocus.com/bid/93861Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037111Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128Patch, Vendor Advisory
- https://helpx.adobe.com/security/products/flash-player/apsb16-36.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201610-10Third Party Advisory
- https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2119.htmlThird Party Advisory
- http://www.securityfocus.com/bid/93861Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037111Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128Patch, Vendor Advisory
- https://helpx.adobe.com/security/products/flash-player/apsb16-36.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201610-10Third Party Advisory
- https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.htmlThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7855US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.