Printer security covers vulnerabilities in networked devices, exposed interfaces, stored documents, and access controls that can affect data confidentiality.
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Background for this topic.
A printer converts digital documents or images into physical output; networked multifunction printers may also scan, copy, fax, and store temporary job data. In an enterprise, such a device is an endpoint with firmware, an operating system, network services, and often an administrative web interface.
Security concerns include unauthorized administration through exposed or weakly protected interfaces, exploitation of unpatched firmware or services, and disclosure of documents retained in queues, internal storage, or printed output. Organizations should restrict printer management to trusted networks, change default credentials, apply vendor firmware updates, use encrypted management and print protocols where supported, and limit stored job data. Access-controlled release printing can reduce exposure of sensitive pages. When printers are relocated or retired, stored jobs, address books, credentials, and configuration data should be securely erased; logs and device details may also matter during vulnerability management and investigations.
Weekly headline count for the current query.
Microsoft says that an ongoing Universal Print sharing issue that prevents users from creating some printer shares is due to a Microsoft Graph API code change. [...]
A total of 689 printer models from Brother, along with 53 other models from Fujifilm, Toshiba, and Konica Minolta, come with a default administrator password that remote attackers can generate. Even worse, there is no way to fix the flaw via firmware in existing printers. [...]
Microsoft has released the June 2025 non-security preview update for Windows 10, version 22H2, with fixes for bugs preventing the Start Menu from launching and breaking scanning features on USB multi-function printers. [...]
For at least half a year, the official software supplied with Procolored printers included malware in the form of a remote access trojan and a cryptocurrency stealer. [...]
Microsoft has fixed a known issue causing some USB printers to start printing random text after installing Windows updates released since late January 2025. [...]
Microsoft says that some USB printers will start printing random text after installing Windows updates released since late January 2025. [...]
Microsoft now blocks the Windows 11 24H2 update on computers with standalone scanners, multi-function printers, fax machines, modems, and other network devices with eSCL protocol support. [...]
Microsoft has released the KB5046613 cumulative update for Windows 10 22H2 and Windows 10 21H2, which includes ten changes and fixes, including the new Microsoft account manager on the Start menu and fixes for multi-function printer issues. [...]
The third day of Pwn2Own Ireland 2024 continued to showcase the expertise of white hat hackers as they exposed 11 zero-day vulnerabilities, adding $124,750 to the total prize pool, which now stands at $874,875. [...]
Microsoft has released the optional KB5045594 preview cumulative update for Windows 10 22H2 with fixes for problems printing to multi-function printers and other issues. [...]
AnyCubic has released new Kobra 2 firmware to fix a zero-day vulnerability exploited last month to print security warnings on 3D printers worldwide. [...]
According to a wave of online reports from Anycubic customers, someone hacked their 3D printers to warn that the devices are exposed to attacks. [...]
Microsoft claims to have fixed Windows Metadata connection issues which continue to plague customers, causing problems for users trying to manage their printers and other hardware. [...]
Microsoft has released a troubleshooter tool to fix an issue where the HP Smart app would automatically install on Windows systems after renaming all printers to HP LaserJet M101-M106. [...]
Microsoft has confirmed an issue causing the HP Smart app to automatically install on Windows systems after all printers are renamed to HP LaserJet M101-M106. [...]
Microsoft will block third-party printer driver delivery in Windows Update as part of a substantial and gradual shift in its printer driver strategy over the next 4 years. [...]
Canon is warning users of home, office, and large format inkjet printers that their Wi-Fi connection settings stored in the devices' memories are not wiped, as they should, during initialization, allowing others to gain access to the data. [...]
Microsoft has released the May 2023 optional cumulative update for Windows 11, version 21H2, with fixes for audio and printer install problems. [...]
HP is working to address a bad firmware update that has been bricking HP Office Jet printers worldwide since it was released earlier this month. [...]
HP announced in a security bulletin this week that it would take up to 90 days to patch a critical-severity vulnerability that impacts the firmware of certain business-grade printers. [...]