Canon’s Printer Panic: Microsoft’s Warning on Critical Printer Vulnerability
Canon’s printer drivers have a vulnerability so serious it could stop your printer from working or allow hackers to run amok with your documents. Microsoft’s offensive security team discovered the flaw, given a severity score of 9.4. Users should update their drivers promptly to avoid malicious ink-slinging attacks.

Hot Take:
In the battle against cyber threats, it seems even our trusty printers are going rogue! Who would have thought a printer driver could be the Achilles’ heel of office security? Looks like Canon printers are printing more than just documents—they’re printing trouble!
Key Points:
- Microsoft’s security team flagged a critical vulnerability in Canon printer drivers.
- The vulnerability, CVE-2025-1268, is rated with a CVSS score of 9.4.
- Affected drivers include versions 3.12 and earlier of several Canon printer models.
- Exploitation could lead to execution of arbitrary code or disruption of printing services.
- Canon has issued advisories for users to update their drivers to secure versions.
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