Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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Microsoft
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365 Apps
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Excel 2016
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Microsoft Office 365 For Mac
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Microsoft Office Ltsc 2021
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Microsoft Office Ltsc 2024
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Microsoft Office Ltsc For Mac 2021
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Microsoft Office Ltsc For Mac 2024
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Office 2019
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Office 2021
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Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 16 Jul 2026 03:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft microsoft Office 365 For Mac
Microsoft microsoft Office Ltsc 2021 Microsoft microsoft Office Ltsc 2024 Microsoft microsoft Office Ltsc For Mac 2021 Microsoft microsoft Office Ltsc For Mac 2024 Microsoft office Online Server |
|
| Vendors & Products |
Microsoft microsoft Office 365 For Mac
Microsoft microsoft Office Ltsc 2021 Microsoft microsoft Office Ltsc 2024 Microsoft microsoft Office Ltsc For Mac 2021 Microsoft microsoft Office Ltsc For Mac 2024 Microsoft office Online Server |
Wed, 15 Jul 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 14 Jul 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | |
| Title | Microsoft Excel Remote Code Execution Vulnerability | |
| First Time appeared |
Microsoft
Microsoft 365 Apps Microsoft excel 2016 Microsoft office 2019 Microsoft office 2021 Microsoft office 2024 Microsoft office 365 Microsoft office Macos 2021 Microsoft office Macos 2024 |
|
| Weaknesses | CWE-121 CWE-20 |
|
| CPEs | cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:* cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:* cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:* cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:* 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:*:* |
|
| Vendors & Products |
Microsoft
Microsoft 365 Apps Microsoft excel 2016 Microsoft office 2019 Microsoft office 2021 Microsoft office 2024 Microsoft office 365 Microsoft office Macos 2021 Microsoft office Macos 2024 |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: microsoft
Published:
Updated: 2026-07-24T16:44:10.951Z
Reserved: 2026-06-17T17:36:34.621Z
Link: CVE-2026-55899
Updated: 2026-07-15T11:13:34.180Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-23T02:00:10Z