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.
総合評価: CVE-2016-7855 は在野悪用が確認された重大脅威(91.9/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 58.97%、98 パーセンタイル) 根拠: CISA KEV に登録(追加日 2022-03-03)。Adobe / Flash Player が対象で、弱点分類 CWE-416の悪用が確認されています。未認証でリモート管理権限を奪取されるリスクが極めて高い。 推奨対応: CISA の対応期限を過ぎています。緊急のパッチ適用を最優先に検討してください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
: Adobe Flash Player Use-After-Free Vulnerability · CISA KEV の詳細
: 2022-03-03
: 2022-03-24
: The impacted product is end-of-life and should be disconnected if still in use.
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-05-20 | 61.61% | 58.97% | -2.64% |
| 2 | 2026-05-13 | 57.49% | 61.61% | +4.12% |
| 3 | 2026-04-22 | — | 57.49% | — |
EPSS の全履歴 (全 63 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2016-7855: 1 GLSA(s) (201610-10), 1 atom(s) (www-plugins/adobe-flash); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-7855 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2016-7855 |
suse
|
medium | CVE-2016-7855 severity moderate: SUSE including 2 source package names (flash-player-11.2.202.643-146.1, flash-player-gnome-11.2.202.643-146.1), 4 product×package rows across 2 product lines (SUSE Linux Enterprise Desktop 12 SP1, SUSE Linux Enterprise Workstation Extension 12 SP1): Fixed 4. | https://www.suse.com/security/cve/CVE-2016-7855/ |
ubuntu
|
medium | CVE-2016-7855 medium priority: Ubuntu including 2 source packages (adobe-flashplugin, flashplugin-nonfree), 10 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): released 10. | https://ubuntu.com/security/CVE-2016-7855 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| adobe | flash_player | <= 23.0.0.185 | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* |
| adobe | flash_player | <= 23.0.0.185 | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* |
| adobe | flash_player | <= 23.0.0.185 | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* |
| adobe | flash_player | <= 11.2.202.637 | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:linux:*:* |
| adobe | flash_player | <= 23.0.0.185 | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 5.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 6.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 5.0 | cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 6.0 | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 5.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 6.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-2119.html | Third Party Advisory |
| http://www.securityfocus.com/bid/93861 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037111 | Third Party Advisory VDB Entry |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 | Patch Vendor Advisory |
| https://helpx.adobe.com/security/products/flash-player/apsb16-36.html | Patch Vendor Advisory |
| https://security.gentoo.org/glsa/201610-10 | Third Party Advisory |
| https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html | Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7855 | US Government Resource |