CVE-2026-81396
HIGH
MEDIUM
Priority: 0.04
BB Relevance:
41/100
Published: 2026-09-08
Modified: 2026-10-30
First seen: 2026-10-30
Status: active
Attack Surface
Low Complexity
No Auth
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
None
UI:
Required
S:
Unchanged
C:
High
I:
High
A:
High
Description
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Weakness Classification (2)
Affected Software (25)
| Vendor | Product | Version |
|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 < 16.0.20326.20138 |
| Microsoft | Microsoft Excel 2016 | 16.0.0.0 < 16.0.5569.1003 |
| Microsoft | Microsoft Office 2016 | 16.0.0 < 16.0.5569.1003 |
| Microsoft | Microsoft Office 2019 | 19.0.0 < 16.0.10417.20207 |
| Microsoft | Microsoft Office 365 for Mac | 1.0.0 < 16.112.26083020 |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 < 16.0.14334.20906 |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 < 16.0.17932.20976 |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 < 16.112.26083020 |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 < 16.112.26083020 |
| Microsoft | Office Online Server | 16.0.0.0 < 16.0.10417.20207 |
| microsoft | 365_apps | - |
| microsoft | 365_apps | - |
| microsoft | excel | 2016 |
| microsoft | excel | 2016 |
| microsoft | microsoft_365 | - |
| microsoft | office_2016 | - |
| microsoft | office_2016 | - |
| microsoft | office_2019 | - |
| microsoft | office_2019 | - |
| microsoft | office_2021 | - |
| microsoft | office_2021 | - |
| microsoft | office_2021 | - |
| microsoft | office_2024 | - |
| microsoft | office_2024 | - |
| microsoft | office_2024 | - |
References & Advisories (1)
vendor-advisory
patch