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CVE-2011-0611

High 8.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Adobe Flash Player Remote 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 before 10.2.154.27 on Windows, Mac OS X, Linux, and Solaris and 10.2.156.12 and earlier on Android; Adobe AIR before 2.6.19140; and Authplay.dll (aka AuthPlayLib.bundle) in Adobe Reader 9.x before 9.4.4 and 10.x through 10.0.1 on Windows, Adobe Reader 9.x before 9.4.4 and 10.x before 10.0.3 on Mac OS X, and Adobe Acrobat 9.x before 9.4.4 and 10.x before 10.0.3 on Windows and Mac OS X allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted Flash content; as demonstrated by a Microsoft Office document with an embedded .swf file that has a size inconsistency in a "group of included constants," object type confusion, ActionScript that adds custom functions to prototypes, and Date objects; and as exploited in the wild in April 2011.

Metrics

CVSS 3.1
8.8 (HIGH) Score source: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — exploit probability
99% (percentile: 100) as of 1 November 2026
CWE
CWE-843

Affected products

adobe: flash player; apple: mac os x; linux: linux kernel; microsoft: windows; oracle: solaris; google: android; adobe: acrobat reader; adobe: adobe air; adobe: acrobat; google: chrome; google: chrome os; opensuse: opensuse; suse: linux enterprise desktop

References