Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 Gold and SP1; Excel Viewer 2003 Gold and SP3; Excel Viewer; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Gold and SP1; Office 2004 and 2008 for Mac; and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code via a crafted Excel spreadsheet that contains a malformed formula, which triggers "pointer corruption" during the loading of formulas from this spreadsheet, aka "File Format Parsing Vulnerability."
総合評価: CVE-2008-4264 は高リスク（66.4/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 25.54%、98 パーセンタイル） 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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。
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 | 62.48% | 25.54% | -36.94% |
| 2 | 2025-06-28 | 66.53% | 62.48% | -4.05% |
| 3 | 2025-05-01 | — | 66.53% | — |
EPSS の全履歴 （全 24 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 |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
: http://www.microsoft.com/technet/security/Bulletin/MS08-074.mspx File Format Parsing Vulnerability - CVE-2008-4264 A remote code execution vulnerability exists in Microsoft Office Excel as a result of pointer corruption when loading Excel formulas. The vulnerability could allow remote code execution if a user opens a specially crafted Excel file that includes a malformed formula. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| microsoft | office_excel | 2000 | cpe:2.3:a:microsoft:office_excel:2000:sp3:*:*:*:*:*:* |
| microsoft | office_excel | 2002 | cpe:2.3:a:microsoft:office_excel:2002:sp3:*:*:*:*:*:* |
| microsoft | office_excel | 2003 | cpe:2.3:a:microsoft:office_excel:2003:sp3:*:*:*:*:*:* |
| microsoft | office | 2004 | cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:* |
| microsoft | office | 2008 | cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:* |
| microsoft | office_compatibility_pack_for_word_excel_ppt_2007 | — | cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:*:*:*:*:*:*:* |
| microsoft | office_compatibility_pack_for_word_excel_ppt_2007 | — | cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:sp1:*:*:*:*:*:* |
| microsoft | office_excel_viewer | — | cpe:2.3:a:microsoft:office_excel_viewer:*:*:*:*:*:*:*:* |
| microsoft | office_excel_viewer | 2003 | cpe:2.3:a:microsoft:office_excel_viewer:2003:*:*:*:*:*:*:* |
| microsoft | office_excel_viewer | 2003 | cpe:2.3:a:microsoft:office_excel_viewer:2003:sp3:*:*:*:*:*:* |
| microsoft | open_xml_file_format_converter | — | cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:mac:*:*:*:*:* |