CVE-2026-108455— Microsoft Office PowerPoint Information Disclosure Vulnerability
Quick assessment
Affected
Microsoft Microsoft 365 Apps for Enterprise
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 Office PowerPoint 信息泄露漏洞
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local SystemAffected Version Matrix 6
| 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< 16.114.26101123 |
affected |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1< 16.0.14334.20974 |
affected |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0< 16.0.17932.21056 |
affected |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1< 16.114.26101123 |
affected |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0< 16.114.26101123 |
affected |
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I. Basic Information for CVE-2026-108455
Vulnerability Information
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Vulnerability Title
Microsoft Office PowerPoint Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
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 ~ 16.114.26101123 | - |
|
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 ~ 16.0.14334.20974 | - |
|
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 ~ 16.0.17932.21056 | - |
|
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 ~ 16.114.26101123 | - |
|
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 ~ 16.114.26101123 | - |
|
II. Public POCs for CVE-2026-108455
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-108455 (1)
Same Patch Batch · Microsoft · 2026-10-15 · 31 CVEs total
| CVE-2026-108441 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108426 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108429 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108427 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108428 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108431 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108430 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108432 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108437 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108439 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108440 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108443 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108445 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108444 | 8.8 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-108446 | 8.8 HIGH | Microsoft Office Excel Remote Code Execution Vulnerability |
| CVE-2026-108442 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108447 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108451 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-108452 | 8.8 HIGH | Microsoft Office SharePoint Remote Code Execution Vulnerability |
| CVE-2026-108449 | 8.8 HIGH | Microsoft Office Word Remote Code Execution Vulnerability |
Showing top 20 of 31 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Microsoft 365 Apps for Enterprise
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CVE-2026-108453
Microsoft Office PowerPoint Information Disclosure Vulnerabi -
CVE-2026-108454
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Same weakness: CWE-125
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V. Comments for CVE-2026-108455
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