Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Metrics
Affected Vendors & Products
References
History
Fri, 17 Jul 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 15 Jul 2026 16:15:00 +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 |
Tue, 14 Jul 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Heap-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-122 | |
| 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: 2026-07-14T17:08:55.624Z
Updated: 2026-07-17T21:32:48.613Z
Reserved: 2026-06-16T15:03:49.681Z
Link: CVE-2026-55137
Updated: 2026-07-14T19:15:41.840Z
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