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

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 14 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft access
CPEs 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:*
Vendors & Products Microsoft access

Thu, 13 Aug 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft microsoft Access 2016 (32-bit Edition)
Vendors & Products Microsoft microsoft Access 2016 (32-bit Edition)

Wed, 12 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 11 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
Title Microsoft Access Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft access 2016
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Weaknesses CWE-122
CPEs cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:access_2016:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*
cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft access 2016
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-14T16:34:54.372Z

Reserved: 2026-07-20T20:25:40.976Z

Link: CVE-2026-64920

cve-icon Vulnrichment

Updated: 2026-08-12T13:40:18.329Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-11T17:18:53.333

Modified: 2026-08-14T15:14:10.150

Link: CVE-2026-64920

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T09:54:00Z

Weaknesses