High 8.8Published Sep 14, 2016

CVE-2016-6921Use-after-free vulnerability in Adobe Flash Player before 18.0.0.375 and 19.x through 23.x before 23.0.0.162 on Windows and OS X and before 11.2.202.635 on Linux allows attackers to execute arbitrary…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Use-after-free vulnerability in Adobe Flash Player before 18.0.0.375 and 19.x through 23.x before 23.0.0.162 on Windows and OS X and before 11.2.202.635 on Linux allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-4272, CVE-2016-4279, CVE-2016-6923, CVE-2016-6925, CVE-2016-6926, CVE-2016-6927, CVE-2016-6929, CVE-2016-6930, CVE-2016-6931, and CVE-2016-6932.

CVSS: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

adobe flash_player adobe:flash_player	through 11.2.202.632; through 22.0.0.211; through 22.0.0.211; through 18.0.0.366; through 22.0.0.211	NVD
adobe flash_player_desktop_runtime adobe:flash_player_desktop_runtime	through 22.0.0.211	NVD

References

References

http://rhn.redhat.com/errata/RHSA-2016-1865.html	third-party-advisory
http://www.securityfocus.com/bid/92927	broken-link, third-party-advisory, vdb-entry
http://www.securitytracker.com/id/1036791	broken-link, third-party-advisory, vdb-entry
https://helpx.adobe.com/security/products/flash-player/apsb16-29.html	patch, vendor-advisory
https://security.gentoo.org/glsa/201610-10	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.