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CVE-2026-72977— 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是美国Microsoft公司的一款演示文稿制作与播放软件。 Microsoft Office PowerPoint存在安全漏洞，该漏洞源于Microsoft Office PowerPoint中的越界读取，可能导致未经授权的攻击者通过网络泄露信息。

CVSS 6.5 · Medium EPSS 0.97% · P60

Affected Version Matrix 8

VendorProduct Version RangeStatus
Microsoft Microsoft 365 Apps for Enterprise 16.0.1< 16.0.20326.20138 affected
Microsoft Microsoft Office 2019 19.0.0< 16.0.10417.20207 affected
Microsoft Microsoft Office 365 for Mac 1.0.0< 16.113.26091433 affected
Microsoft Microsoft Office LTSC 2021 16.0.1< 16.0.14334.20906 affected
Microsoft Microsoft Office LTSC 2024 16.0.0< 16.0.17932.20976 affected
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1< 16.113.26091433 affected
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0< 16.113.26091433 affected
Microsoft Microsoft PowerPoint 2016 16.0.0< 16.0.5569.1000 affected
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I. Basic Information for CVE-2026-72977

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
Vulnerability Title
Microsoft Office PowerPoint 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office PowerPoint是美国Microsoft公司的一款演示文稿制作与播放软件。 Microsoft Office PowerPoint存在安全漏洞，该漏洞源于Microsoft Office PowerPoint中的越界读取，可能导致未经授权的攻击者通过网络泄露信息。
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 ~ 16.0.20326.20138 -
Microsoft Microsoft Office 2019 19.0.0 ~ 16.0.10417.20207 -
Microsoft Microsoft Office 365 for Mac 1.0.0 ~ 16.113.26091433 -
Microsoft Microsoft Office LTSC 2021 16.0.1 ~ 16.0.14334.20906 -
Microsoft Microsoft Office LTSC 2024 16.0.0 ~ 16.0.17932.20976 -
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 ~ 16.113.26091433 -
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 ~ 16.113.26091433 -
Microsoft Microsoft PowerPoint 2016 16.0.0 ~ 16.0.5569.1000 -

II. Public POCs for CVE-2026-72977

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III. Intelligence Information for CVE-2026-72977

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Vendor Advisories for CVE-2026-72977 (1)

Same Patch Batch · Microsoft · 2026-09-08 · 966 CVEs total

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CVE-2026-69408 9.8 CRITICAL Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2026-69493 9.8 CRITICAL Windows Event Logging Service Remote Code Execution Vulnerability
CVE-2026-78445 9.8 CRITICAL Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
CVE-2026-72979 9.8 CRITICAL Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-78510 9.8 CRITICAL Microsoft Word Remote Code Execution Vulnerability
CVE-2026-69769 9.8 CRITICAL Windows HTTP Print Provider Remote Code Execution Vulnerability

Showing top 20 of 966 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft 365 Apps for Enterprise
Same vendor: Microsoft
Same weakness: CWE-125

V. Comments for CVE-2026-72977

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