A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung product printers could lead to an escalation of privilege.
https://github.com/Creamy-Chicken-Soup/writeups-about-analysis-CVEs-and-Exploits-on-the-Windows
https://github.com/TobiasS1402/CVE-2021-3438
https://github.com/Crystalware/CVE-2021-3438
https://support.hp.com/us-en/document/ish_3900395-3833905-16