Type Confusion in V8 in Google Chrome prior to 116.0.5845.179 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
総合評価: CVE-2023-4762 は在野悪用が確認された重大脅威(89.6/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 37.99%、98 パーセンタイル) 根拠: CISA KEV に登録(追加日 2024-02-06)。Google / Chromium V8 が対象で、弱点分類 CWE-843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。
: Google Chromium V8 Type Confusion Vulnerability · CISA KEV の詳細
: 2024-02-06
: 2024-02-27
: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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 | 2026-06-15 | 55.80% | 37.99% | -17.82% |
| 2 | 2026-05-02 | 64.63% | 55.80% | -8.83% |
| 3 | 2026-04-16 | — | 64.63% | — |
EPSS の全履歴 (全 71 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 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-4762: 1 source package rows (qt5-qtwebengine); 6 state rows across 6 repos (3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 6, open 0. | https://security.alpinelinux.org/vuln/CVE-2023-4762 |
debian
|
not yet assigned | CVE-2023-4762 not yet assigned priority: Debian including 1 source packages (chromium), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-4762 |
gentoo
|
high | CVE-2023-4762: 3 GLSA(s) (202311-11, 202312-07, 202401-34), 4 atom(s) (dev-qt/qtwebengine, www-client/chromium, www-client/google-chrome, www-client/microsoft-edge); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-4762 |
ubuntu
|
medium | CVE-2023-4762 medium priority: Ubuntu including 1 source packages (chromium-browser), 8 status rows across 8 suites (bionic, focal, jammy, lunar, mantic, trusty, upstream, xenial): ignored 3, not-affected 3, DNE 1, released 1. | https://ubuntu.com/security/CVE-2023-4762 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| chrome | < 116.0.5845.179 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| debian | debian_linux | 12.0 | cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 37 | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
| fedoraproject | fedora | 38 | cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* |
| fedoraproject | fedora | 39 | cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* |
| microsoft | edge_chromium | < 116.0.1938.76 | cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html | Vendor Advisory |
| https://crbug.com/1473247 | Permissions Required |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/ | Mailing List |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/ | Mailing List |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/ | Mailing List |
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4762 | Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202311-11 | Third Party Advisory |
| https://security.gentoo.org/glsa/202312-07 | Third Party Advisory |
| https://security.gentoo.org/glsa/202401-34 | Third Party Advisory |
| https://www.debian.org/security/2023/dsa-5491 | Mailing List Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4762 | US Government Resource |