CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Adobe Flash Player Arbitrary Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- The impacted product is end-of-life and should be disconnected if still in use.
Description
Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in May 2016.
Affected products
adobe: flash player; redhat: enterprise linux desktop; redhat: enterprise linux server; redhat: enterprise linux server from rhui; redhat: enterprise linux workstation; opensuse: evergreen; opensuse: opensuse; suse: linux enterprise desktop; suse: linux enterprise workstation extension
References10
- helpx.adobe.com/security/products/flash-player/apsa16-02.html Broken LinkVendor Advisory
- helpx.adobe.com/security/products/flash-player/apsa16-02.html Broken LinkVendor Advisory
- www.exploit-db.com/exploits/46339/ ExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/46339/ ExploitThird Party AdvisoryVDB Entry
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00044.… Mailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00045.… Mailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00046.… Mailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00047.… Mailing ListThird Party Advisory
- rhn.redhat.com/errata/RHSA-2016-1079.html Third Party Advisory
- www.securityfocus.com/bid/90505 Broken LinkThird Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 94% percentile: 100 · as of 8 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.