CVE-2026-45486— Microsoft Word Remote Code Execution Vulnerability
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client ExecutionAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1< https://aka.ms/OfficeSecurityReleases | affected |
| Microsoft | Microsoft Office 365 for Mac | 1.0.0< 16.110.26061317 | affected |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1< 16.110.26061317 | affected |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0< 16.110.26061317 | affected |
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I. Basic Information for CVE-2026-45486
Vulnerability Information
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Vulnerability Title
Microsoft Word Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Office Word 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office Word是美国微软（Microsoft）开源的一款文字处理软件。 Microsoft Office Word存在资源管理错误漏洞，该漏洞源于不可信指针取消引用，可能导致未经授权的攻击者在本地执行代码。
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 365 Apps for Enterprise | 16.0.1 ~ https://aka.ms/OfficeSecurityReleases | - | |
| Microsoft | Microsoft Office 365 for Mac | 1.0.0 ~ 16.110.26061317 | - | |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 ~ 16.110.26061317 | - | |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 ~ 16.110.26061317 | - |
II. Public POCs for CVE-2026-45486
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-45486 (1)
Same Patch Batch · Microsoft · 2026-06-09 · 200 CVEs total
| CVE-2026-47643 | 9.8 CRITICAL | Azure Stack Edge Remote Code Execution Vulnerability |
| CVE-2026-26142 | 9.8 CRITICAL | Nuance PowerScribe Remote Code Execution Vulnerability |
| CVE-2026-47291 | 9.8 CRITICAL | HTTP.sys Remote Code Execution Vulnerability |
| CVE-2026-45657 | 9.8 CRITICAL | Windows Kernel Remote Code Execution Vulnerability |
| CVE-2026-44815 | 9.8 CRITICAL | DHCP Client Service Remote Code Execution Vulnerability |
| CVE-2026-47281 | 9.6 CRITICAL | Visual Studio Code Elevation of Privilege Vulnerability |
| CVE-2026-42904 | 9.6 CRITICAL | Windows TCP/IP Elevation of Privilege Vulnerability |
| CVE-2026-45602 | 9.1 CRITICAL | Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability |
| CVE-2026-32193 | 8.8 HIGH | Azure Kubernetes Service (AKS) Remote Code Execution Vulnerability |
| CVE-2026-45484 | 8.8 HIGH | Microsoft SharePoint Elevation of Privilege Vulnerability |
| CVE-2026-40371 | 8.8 HIGH | Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability |
| CVE-2026-47653 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-47289 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-45648 | 8.8 HIGH | Windows Active Directory Domain Services Remote Code Execution Vulnerability |
| CVE-2026-45504 | 8.8 HIGH | Microsoft Exchange Server Elevation of Privilege Vulnerability |
| CVE-2026-42985 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-45607 | 8.4 HIGH | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2026-45472 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-45463 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-47635 | 8.4 HIGH | Microsoft Outlook and Word Remote Code Execution Vulnerability |
Showing top 20 of 200 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Microsoft 365 Apps for Enterprise
- CVE-2026-70130
Microsoft Office Remote Code Execution Vulnerability - CVE-2026-68817
Microsoft Excel Remote Code Execution Vulnerability - CVE-2026-68814
Microsoft Excel Remote Code Execution Vulnerability - CVE-2026-68812
Microsoft Excel Remote Code Execution Vulnerability - CVE-2026-68805
Microsoft Excel Remote Code Execution Vulnerability
Same vendor: Microsoft
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Kiota: Path traversal in generated plugin manifest static_te - CVE-2026-69414
Microsoft Defender Elevation of Privilege Vulnerability - CVE-2026-50523
Microsoft PowerShell Remote Code Execution Vulnerability - CVE-2026-72970
Microsoft Edge (Chromium-based) Remote Code Execution Vulner - CVE-2026-73299
Prompty: Server-Side Template Injection to Remote Code Execu
Same weakness: CWE-416
- CVE-2026-49306
time模块UAF漏洞，影响可用性 - CVE-2026-12366
Use-after-free freeing an armed dynamically-allocated k_time - CVE-2026-12365
Use-after-free in Zephyr delayable work-queue cancellation u - CVE-2026-11937
Security vulnerabilities have been found in IBM Verify Ident - CVE-2026-19548
Binutils: binutils: multiple use-after-free in add_archive_e
V. Comments for CVE-2026-45486
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