Microsoft’s offensive security team has warned Canon about a critical vulnerability affecting some printer drivers.
According to an advisory published last week by Canon, drivers associated with several production printers, office multifunction printers, and laser printers are affected by an out-of-bounds vulnerability.
The security hole is tracked as CVE-2025-1268 and it has a CVSS severity score of 9.4. The flaw impacts the EMF recode processing of Generic Plus PCL6, UFR II, LIPS4, LIPSXL, and PS printer drivers, specifically versions 3.12 and earlier.
Canon told users that exploitation of the vulnerability can allow an attacker to prevent printing or potentially execute arbitrary code “when the print is processed by a malicious application”.
Microsoft’s Offensive Research and Security Engineering (MORSE) team has been credited for responsibly disclosing the vulnerability.
Users have been advised to check Canon websites for patched versions of the vulnerable printer drivers.
Driver vulnerabilities can pose a serious risk to users and organizations. It’s not uncommon for threat actors to exploit vulnerable drivers in attacks leveraging the bring-your-own-vulnerable-driver (BYOVD) technique.
Canon recently also published advisories to notify customers of several other printer vulnerabilities that could allow remote code execution or DoS attacks.
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