Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information 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 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft word
CPEs cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*: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:*
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x86:*
Vendors & Products Microsoft word

Wed, 12 Aug 2026 16:30:00 +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 Word allows an unauthorized attacker to disclose information locally.
Title Microsoft Office Word Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft office 2019
Microsoft office 2021
Microsoft office 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:word_2016:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft office 2019
Microsoft office 2021
Microsoft office 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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-14T17:18:19.415Z

Reserved: 2026-07-16T22:05:22.740Z

Link: CVE-2026-63521

cve-icon Vulnrichment

Updated: 2026-08-12T15:29:06.949Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-11T17:18:48.867

Modified: 2026-08-14T17:33:26.280

Link: CVE-2026-63521

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-12T15:30:03Z

Weaknesses