Symantec Norton Security prior to 22.16.3, SEP (Windows client) prior to and including 12.1 RU6 MP9, and prior to 14.2 RU1, SEP SBE prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002 and SEP Cloud prior to 22.16.3 may be susceptible to a kernel memory disclosure, which is a type of issue where a specially crafted IRP request can cause the driver to return uninitialized memory.
結論預警: CVE-2018-18366 綜合評估為低風險（36.9/100）：CVSS 技術影響為中級，利用機率偏低（EPSS 0.39%） 強制指令: 持續追蹤利用情報與 EPSS 變化，並適時複評優先級。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.09% | 0.39% | +0.30% |
| 2 | 2025-03-30 | 0.17% | 0.09% | -0.08% |
| 3 | 2025-03-29 | — | 0.17% | — |
完整 EPSS 歷史 （共 7 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.0 | 4.0 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:*:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:mr1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:mr2:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:mr3:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:mr4:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:mr4-mp2:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru5:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru6:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp2:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp3:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru6a:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru7:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp2:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp4:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp4a:*:*:*:windows:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:ry7-mp3:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:*:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru1-mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru2:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru2-mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru3:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru4:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru4-mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru4-mp1a:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru4-mp1b:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru4a:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru5:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp10:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp2:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp3:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp4:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp5:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp6:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp7:*:*:*:windows:*:* |
| symantec | endpoint_protection | 12.1 | cpe:2.3:a:symantec:endpoint_protection:12.1:ru6-mp8:*:*:*:windows:*:* |
| symantec | endpoint_protection | 14 | cpe:2.3:a:symantec:endpoint_protection:14:*:*:*:*:windows:*:* |
| symantec | endpoint_protection | 14 | cpe:2.3:a:symantec:endpoint_protection:14:mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 14.0.0 | cpe:2.3:a:symantec:endpoint_protection:14.0.0:mp2:*:*:*:windows:*:* |
| symantec | endpoint_protection | 14.0.1 | cpe:2.3:a:symantec:endpoint_protection:14.0.1:*:*:*:*:windows:*:* |
| symantec | endpoint_protection | 14.0.1 | cpe:2.3:a:symantec:endpoint_protection:14.0.1:mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | 14.0.1 | cpe:2.3:a:symantec:endpoint_protection:14.0.1:mp2:*:*:*:windows:*:* |
| symantec | endpoint_protection | 14.2 | cpe:2.3:a:symantec:endpoint_protection:14.2:*:*:*:*:windows:*:* |
| symantec | endpoint_protection | 14.2 | cpe:2.3:a:symantec:endpoint_protection:14.2:mp1:*:*:*:windows:*:* |
| symantec | endpoint_protection | nis-22.15.2.22 | cpe:2.3:a:symantec:endpoint_protection:nis-22.15.2.22:*:*:*:small_business:*:*:* |
| symantec | endpoint_protection | sep-12.1.7484.7002 | cpe:2.3:a:symantec:endpoint_protection:sep-12.1.7484.7002:*:*:*:small_business:*:*:* |
| symantec | endpoint_protection_cloud | < 22.16.3 | cpe:2.3:a:symantec:endpoint_protection_cloud:*:*:*:*:*:*:*:* |
| symantec | endpoint_protection_cloud_agent | < 3.00.31.2817 | cpe:2.3:a:symantec:endpoint_protection_cloud_agent:*:*:*:*:small_business:*:*:* |
| symantec | norton_security | < 22.16.3 | cpe:2.3:a:symantec:norton_security:*:*:*:*:*:windows:*:* |
| URL | 標籤 |
|---|---|
| http://www.securityfocus.com/bid/107994 | Third Party Advisory VDB Entry |
| https://support.symantec.com/en_US/article.SYMSA1479.html | Vendor Advisory |