CVE-2026-77911
MEDIUM
MEDIUM
Priority: 0.06
BB Relevance:
63/100
Published: 2026-09-08
Modified: 2026-10-30
First seen: 2026-10-30
Status: active
Attack Surface
Network
Low Complexity
No Auth
Conf. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
Required
S:
Unchanged
C:
High
I:
None
A:
None
Description
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Weakness Classification (1)
Affected Software (21)
| Vendor | Product | Version |
|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 < https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office 2019 | 19.0.0 < https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office 365 for Mac | 1.0.0 < 16.113.26091433 |
| 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 | 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 Word 2016 | 16.0.1 < 16.0.5569.1002 |
| microsoft | 365_apps | - |
| microsoft | 365_apps | - |
| microsoft | microsoft_365 | - |
| microsoft | office_2019 | - |
| microsoft | office_2019 | - |
| microsoft | office_2021 | - |
| microsoft | office_2021 | - |
| microsoft | office_2021 | - |
| microsoft | office_2024 | - |
| microsoft | office_2024 | - |
| microsoft | office_2024 | - |
| microsoft | word | 2016 |
| microsoft | word | 2016 |
References & Advisories (1)
vendor-advisory
patch