Medium severity · published Aug 3, 2026
CVE-2026-63563
Sharp and Toshiba Tec MFPs (multifunction printers) for a certain market have been shipped with the user authentication feature disabled in the initial configuration
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Sharp MFPs · Sharp Corporation
see the information provided by Sharp Corporation · source: vendor
TT
Toshiba Tec MFPs · Toshiba Tec Corporation
see the information provided by Toshiba Tec · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-63563
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63563
corporate.jp.sharp
https://corporate.jp.sharp/info/product-security/advisory-list/2026-004/
global.sharp
https://global.sharp/corporate/info/product-security/advisory-list/2026-004/
jvn.jp
https://jvn.jp/en/vu/JVNVU98759887/
www.toshibatec.co.jp
https://www.toshibatec.co.jp/news/info/20260731-01.html
www.toshibatec.com
https://www.toshibatec.com/information/20260731_01.html
More from Sharp MFPs
5.3
CVE-2026-60011
Sharp and Toshiba Tec MFPs (multifunction printers) fail to properly authorize requests to directly access certain image data stored to the affected product
2.4
CVE-2026-63545
Sharp and Toshiba Tec MFPs (multifunction printers) caches data internally when printing, and leave them uncleared
