Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
History

Thu, 13 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


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

Type Values Removed Values Added
Description Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Title Microsoft Office Graphics Component Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Microsoft office 365
Microsoft office Macos 2021
Microsoft office Macos 2024
Microsoft word 2016
Weaknesses CWE-125
CPEs cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
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:*:*:*
cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*
cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*
cpe:2.3:a:microsoft:word_2016:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Microsoft office 365
Microsoft office Macos 2021
Microsoft office Macos 2024
Microsoft word 2016
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-13T17:37:32.992Z

Reserved: 2026-07-27T19:02:26.601Z

Link: CVE-2026-66809

cve-icon Vulnrichment

Updated: 2026-08-13T13:43:31.900Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-11T17:19:02.360

Modified: 2026-08-13T14:17:11.183

Link: CVE-2026-66809

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-12T12:00:04Z