Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Metrics
Affected Vendors & Products
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 |
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| 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
|
Status: PUBLISHED
Assigner: microsoft
Published: 2026-07-14T17:05:10.091Z
Updated: 2026-07-17T21:28:57.987Z
Reserved: 2026-06-17T17:36:34.621Z
Link: CVE-2026-55899
Updated: 2026-07-15T11:13:34.180Z
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