Vulnerability · Published Aug 3, 2026 · Assigned by jpcert
CVE-2026-63563
Medium 6.5
In plain English
A medium-severity security flaw in Sharp MFPs from Sharp Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
Sharp and Toshiba Tec MFPs (multifunction printers) for a certain market have been shipped with the user authentication feature disabled in the initial configuration. When used with the initial configuration, the address book editing and a range of features related to Document Filing can be accessed without user authentication. Products intended for the Japanese market are not affected.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sharp Corporation | Sharp MFPs | see the information provided by Sharp Corporation |
| Toshiba Tec Corporation | Toshiba Tec MFPs | see the information provided by Toshiba Tec |
Weakness: CWE-1188 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N