CVE-2017-11292

Exp

Adobe Flash Player version 27.0.0.159 and earlier has a flawed bytecode verification procedure, which allows for an untrusted value to be used in the calculation of an array index. This can lead to type confusion, and successful exploitation could lead to arbitrary code execution.

Published: 2017-10-22 Last update: 2026-04-22 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-11292 is rated Critical Active Threat (93.6/100): CVSS High severity, with high exploitation likelihood (EPSS 34.36%, 97th percentile). CISA KEV confirms active exploitation (added 2022-03-03) affecting Adobe / Flash Player. a weakness (CWE-843) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2017-11292

Name: Adobe Flash Player Type Confusion Vulnerability · CISA KEV detail

Exploit added: 2022-03-03

Action due: 2022-03-24

Required action: The impacted product is end-of-life and should be disconnected if still in use.

Exploit prediction scoring system (EPSS) score for CVE-2017-11292

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-04 34.96% 34.36% -0.60%
2 2026-05-16 33.62% 34.96% +1.34%
3 2026-04-22 — 33.62% —

Full EPSS history (33 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-11292

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0
6.0 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 6.8 6.4 [email protected]

Weakness enumeration for CVE-2017-11292

OS Trackers for CVE-2017-11292

vendor priority summary link
gentoo normal CVE-2017-11292: 1 GLSA(s) (201710-22), 1 atom(s) (www-plugins/adobe-flash); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-11292
redhat critical — https://access.redhat.com/security/cve/CVE-2017-11292
ubuntu medium CVE-2017-11292 medium priority: Ubuntu including 2 source packages (adobe-flashplugin, flashplugin-nonfree), 10 status rows across 5 suites (artful, trusty, upstream, xenial, zesty): released 9, needs-triage 1. https://ubuntu.com/security/CVE-2017-11292

Affected software / configurations for CVE-2017-11292

Vendor Product Version Raw CPE
adobe flash_player_desktop_runtime <= 27.0.0.159 cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*
adobe flash_player <= 27.0.0.130 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
adobe flash_player <= 27.0.0.130 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*
adobe flash_player <= 27.0.0.159 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

References for CVE-2017-11292

cvelogic Threat Intelligence