Integer overflow in Microsoft Windows 98, 2000, XP SP2 and earlier, and Server 2003 SP1 and earlier allows remote attackers to execute arbitrary code via a crafted compiled Help (.CHM) file with a large size field that triggers a heap-based buffer overflow, as demonstrated using a "ms-its:" URL in Internet Explorer.
総合評価: CVE-2005-1208 は高リスク（79.2/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 44.88%、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。 直近 1 日で EPSS が +6.50% 上昇。悪用への関心が高まっている可能性があります。 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 | 2026-05-10 | 38.38% | 44.88% | +6.50% |
| 2 | 2025-12-28 | 44.79% | 38.38% | -6.41% |
| 3 | 2025-12-27 | — | 44.79% | — |
EPSS の全履歴 （全 17 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 |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | 64-bit | cpe:2.3:o:microsoft:windows_2003_server:64-bit:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | datacenter_64-bit | cpe:2.3:o:microsoft:windows_2003_server:datacenter_64-bit:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | datacenter_64-bit | cpe:2.3:o:microsoft:windows_2003_server:datacenter_64-bit:sp1_beta_1:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise | cpe:2.3:o:microsoft:windows_2003_server:enterprise:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise | cpe:2.3:o:microsoft:windows_2003_server:enterprise:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise | cpe:2.3:o:microsoft:windows_2003_server:enterprise:sp1_beta_1:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise_64-bit | cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise_64-bit | cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | enterprise_64-bit | cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:sp1_beta_1:*:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:*:datacenter_64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | r2 | cpe:2.3:o:microsoft:windows_2003_server:r2:sp1_beta_1:*:*:*:*:*:* |
| microsoft | windows_2003_server | standard | cpe:2.3:o:microsoft:windows_2003_server:standard:*:64-bit:*:*:*:*:* |
| microsoft | windows_2003_server | standard | cpe:2.3:o:microsoft:windows_2003_server:standard:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | standard | cpe:2.3:o:microsoft:windows_2003_server:standard:sp1_beta_1:*:*:*:*:*:* |
| microsoft | windows_2003_server | standard_64-bit | cpe:2.3:o:microsoft:windows_2003_server:standard_64-bit:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | web | cpe:2.3:o:microsoft:windows_2003_server:web:*:*:*:*:*:*:* |
| microsoft | windows_2003_server | web | cpe:2.3:o:microsoft:windows_2003_server:web:sp1:*:*:*:*:*:* |
| microsoft | windows_2003_server | web | cpe:2.3:o:microsoft:windows_2003_server:web:sp1_beta_1:*:*:*:*:*:* |
| microsoft | windows_98 | — | cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:embedded:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:*:media_center:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:gold:*:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:gold:professional:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:64-bit:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:embedded:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:media_center:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:tablet_pc:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:home:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:media_center:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:tablet_pc:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://archives.neohapsis.com/archives/vulnwatch/2005-q2/0062.html | Patch Vendor Advisory |
| http://secunia.com/advisories/15683 | Patch Vendor Advisory |
| http://www.kb.cert.org/vuls/id/851869 | Patch Third Party Advisory US Government Resource |
| http://www.securityfocus.com/bid/13953 | |
| http://www.us-cert.gov/cas/techalerts/TA05-165A.html | Patch Third Party Advisory US Government Resource |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-026 | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1057 | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A381 | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A463 |