CVE-2021-34478— Microsoft Office Remote Code Execution Vulnerability
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I. Basic Information for CVE-2021-34478
Vulnerability Information
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Vulnerability Title
Microsoft Office Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Microsoft Office Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Office 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office是美国微软（Microsoft）公司的一款办公软件套件产品。该产品常用组件包括Word、Excel、Access、Powerpoint、FrontPage等。 Microsoft Microsoft Office存在代码注入漏洞。以下产品和版本受到影响：Microsoft Office 2019 for 32-bit editions,Microsoft Office 2019 for 64-bit editions,Microsoft 365 Apps for Enter
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 Office 2019 | 19.0.0 ~ https://aka.ms/OfficeSecurityReleases | cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:* | |
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 ~ https://aka.ms/OfficeSecurityReleases | cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:* |
II. Public POCs for CVE-2021-34478
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.zerodayinitiative.com/advisories/ZDI-21-1024/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-34478
Same Patch Batch · Microsoft · 2021-08-12 · 45 CVEs total
| CVE-2021-26424 | 9.9 CRITICAL | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2021-26432 | 9.8 CRITICAL | Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability |
| CVE-2021-36947 | 8.8 HIGH | Windows Print Spooler Remote Code Execution Vulnerability |
| CVE-2021-34535 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2021-36936 | 8.8 HIGH | Windows Print Spooler Remote Code Execution Vulnerability |
| CVE-2021-34524 | 8.1 HIGH | Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability |
| CVE-2021-34537 | 7.8 HIGH | Windows Bluetooth Driver Elevation of Privilege Vulnerability |
| CVE-2021-36958 | 7.8 HIGH | Windows Print Spooler Remote Code Execution Vulnerability |
| CVE-2021-26431 | 7.8 HIGH | Windows Recovery Environment Agent Elevation of Privilege Vulnerability |
| CVE-2021-26425 | 7.8 HIGH | Windows Event Tracing Elevation of Privilege Vulnerability |
| CVE-2021-34471 | 7.8 HIGH | Microsoft Windows Defender Elevation of Privilege Vulnerability |
| CVE-2021-36948 | 7.8 HIGH | Windows Update Medic Service Elevation of Privilege Vulnerability |
| CVE-2021-34483 | 7.8 HIGH | Windows Print Spooler Elevation of Privilege Vulnerability |
| CVE-2021-36927 | 7.8 HIGH | Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerabil |
| CVE-2021-34484 | 7.8 HIGH | Windows User Profile Service Elevation of Privilege Vulnerability |
| CVE-2021-36937 | 7.8 HIGH | Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability |
| CVE-2021-34536 | 7.8 HIGH | Storage Spaces Controller Elevation of Privilege Vulnerability |
| CVE-2021-34486 | 7.8 HIGH | Windows Event Tracing Elevation of Privilege Vulnerability |
| CVE-2021-34533 | 7.8 HIGH | Windows Graphics Component Font Parsing Remote Code Execution Vulnerability |
| CVE-2021-34530 | 7.8 HIGH | Windows Graphics Component Remote Code Execution Vulnerability |
Showing top 20 of 45 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Microsoft Office 2019
- CVE-2024-49142
Microsoft Access Remote Code Execution Vulnerability - CVE-2024-49069
Microsoft Excel Remote Code Execution Vulnerability - CVE-2024-49059
Microsoft Office Elevation of Privilege Vulnerability - CVE-2024-49027
Microsoft Excel Remote Code Execution Vulnerability - CVE-2024-49026
Microsoft Excel Remote Code Execution Vulnerability
Same vendor: Microsoft
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Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
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