CVE-2025-21259— Microsoft Outlook Spoofing Vulnerability
Quick assessment
Affected
Microsoft Microsoft Outlook for Android
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.
Microsoft Outlook是美国微软（Microsoft）公司的一套电子邮件应用程序。 Microsoft Outlook存在安全漏洞。攻击者利用该漏洞执行欺骗攻击。
Possible ATT&CK Techniques 1 AI
T1566.001 · Spearphishing Attachment
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I. Basic Information for CVE-2025-21259
Vulnerability Information
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Vulnerability Title
Microsoft Outlook Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Outlook Spoofing Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键信息的UI错误表达
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Outlook 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Outlook是美国微软（Microsoft）公司的一套电子邮件应用程序。 Microsoft Outlook存在安全漏洞。攻击者利用该漏洞执行欺骗攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft Outlook for Android | 1.0 ~ 4.2501.1 | - |
|
II. Public POCs for CVE-2025-21259
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2025-21259 (1)
Same Patch Batch · Microsoft · 2025-02-11 · 55 CVEs total
| CVE-2025-21198 | 9.0 CRITICAL | Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability |
| CVE-2025-21406 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21410 | 8.8 HIGH | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2025-21208 | 8.8 HIGH | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2025-21407 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21200 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21190 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21201 | 8.8 HIGH | Windows Telephony Server Remote Code Execution Vulnerability |
| CVE-2025-21371 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21369 | 8.8 HIGH | Microsoft Digest Authentication Remote Code Execution Vulnerability |
| CVE-2025-21368 | 8.8 HIGH | Microsoft Digest Authentication Remote Code Execution Vulnerability |
| CVE-2025-21376 | 8.1 HIGH | Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability |
| CVE-2025-21400 | 8.0 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2025-21381 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-21387 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-21390 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-21359 | 7.8 HIGH | Windows Kernel Security Feature Bypass Vulnerability |
| CVE-2025-21367 | 7.8 HIGH | Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability |
| CVE-2025-21397 | 7.8 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2025-21358 | 7.8 HIGH | Windows Core Messaging Elevation of Privileges Vulnerability |
Showing top 20 of 55 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Microsoft Outlook for Android
-
CVE-2025-29805
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CVE-2019-1460
Microsoft Outlook for Android 输入验证错误漏洞
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V. Comments for CVE-2025-21259
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