CVE-2026-70279— Microsoft Exchange Server Spoofing Vulnerability
Quick assessment
Affected
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Microsoft Exchange Server 的网页生成过程中，存在对输入的不正确中和（即“跨站脚本”漏洞），导致未经授权的攻击者能够通过网络执行欺骗行为。
Affected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | 15.01.0.0< 15.01.2507.077 |
affected |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 14 | 15.02.0.0< 15.02.1544.050 |
affected |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 15 | 15.02.0.0< 15.02.1748.055 |
affected |
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0< 15.02.2562.056 |
affected |
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I. Basic Information for CVE-2026-70279
Vulnerability Information
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Vulnerability Title
Microsoft Exchange Server Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | 15.01.0.0 ~ 15.01.2507.077 | - |
|
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 14 | 15.02.0.0 ~ 15.02.1544.050 | - |
|
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 15 | 15.02.0.0 ~ 15.02.1748.055 | - |
|
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0 ~ 15.02.2562.056 | - |
|
II. Public POCs for CVE-2026-70279
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-70279 (1)
Same Patch Batch · Microsoft · 2026-10-13 · 1407 CVEs total
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| CVE-2026-96096 | 9.8 CRITICAL | Windows Media Player Remote Code Execution Vulnerability |
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| CVE-2026-96924 | 9.8 CRITICAL | Windows OLE Remote Code Execution Vulnerability |
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| CVE-2026-96113 | 9.8 CRITICAL | Windows Domain Name Service Remote Code Execution Vulnerability |
| CVE-2026-97805 | 9.8 CRITICAL | Windows Partition Management Driver Remote Code Execution Vulnerability |
| CVE-2026-83748 | 9.8 CRITICAL | Windows Error Reporting Remote Code Execution Vulnerability |
| CVE-2026-69634 | 9.8 CRITICAL | Windows iSCSI Remote Code Execution Vulnerability |
| CVE-2026-69705 | 9.8 CRITICAL | Windows iSCSI Remote Code Execution Vulnerability |
| CVE-2026-85814 | 9.8 CRITICAL | Microsoft Windows Media Foundation Remote Code Execution Vulnerability |
| CVE-2026-83782 | 9.8 CRITICAL | Windows Shell Remote Code Execution Vulnerability |
Showing top 20 of 1407 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-70279
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