CVE-2026-23657
High
Description
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Office Long Term Servicing Channel
PublishedApr 14, 2026
First seenApr 14, 2026
Weakness typeCWE-416Use after free
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft office_long_term_servicing_channel | 2024 | — |
| microsoft 365_apps | No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
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