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7.8
Microsoft Office: Untrusted Code Execution via Local Attack
CVE-2026-26113
Summary
A security issue in Microsoft Office could allow an attacker to run malicious code on your device if you open a specially crafted file. This means an attacker could potentially take control of your computer. Update to the latest version of Microsoft Office to protect against this risk.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| microsoft | 365_apps | All versions | – |
| microsoft | 365_apps | All versions | – |
| microsoft | office | 2016 | – |
| microsoft | office | 2016 | – |
| microsoft | office | 2019 | – |
| microsoft | office | 2019 | – |
| microsoft | office_long_term_servicing_channel | 2021 | – |
| microsoft | office_long_term_servicing_channel | 2021 | – |
| microsoft | office_long_term_servicing_channel | 2024 | – |
| microsoft | office_long_term_servicing_channel | 2024 | – |
| microsoft | office_long_term_servicing_channel | 2024 | – |
| microsoft | sharepoint_server | <= 16.0.19725.20076 | – |
| microsoft | sharepoint_server | 2016 | – |
| microsoft | sharepoint_server | 2019 | – |
Original title
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
Original description
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
nvd CVSS3.1
8.4
Vulnerability type
CWE-822
Published: 10 Mar 2026 · Updated: 14 Mar 2026 · First seen: 11 Mar 2026