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7.8High

CVE-2026-64919Microsoft Access Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Access 2016; Microsoft Microsoft Access 2016 (32-bit edition); Microsoft Microsoft Office 2019 Published: (2 months ago)

Description

Stack-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.

Weakness (CWE): CWE-121

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
microsoft 365 apps 16.0.1 – < https://aka.ms/OfficeSecurityReleases
microsoft access 2016
microsoft access 2016 16.0.0 – < 16.0.5565.1000
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Access 2016 16.0.0 – < 16.0.5565.1000
Microsoft Microsoft Access 2016 (32-bit edition) 16.0.0 – < 16.0.5565.1000
Microsoft Microsoft Office 2019 19.0.0 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2021 16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2024 16.0.0 – < https://aka.ms/OfficeSecurityReleases
microsoft office 2019 19.0.0 – < https://aka.ms/OfficeSecurityReleases
microsoft office 2021 16.0.1 – < https://aka.ms/OfficeSecurityReleases
microsoft office 2024 16.0.0 – < https://aka.ms/OfficeSecurityReleases

References and patches

CPE matches (NVD) (10)
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
  • cpe:2.3:a:microsoft:access:2016:*:*:*:*:*:x64:*
  • cpe:2.3:a:microsoft:access:2016:*:*:*:*:*:x86:*
  • cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*
  • cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
  • cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
  • cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
  • cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
  • cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*

Recent CVEs in the same product — Microsoft Office / 365 Apps

8.8High
CVE-2026-108449

Microsoft Office Word Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office 365 for Mac; Microsoft Microsoft Office LTSC 2021; Microsoft Microsoft Office LTSC 2024

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.