CVE-2026-4682 Certain HP DeskJet All In One (AIO) Devices – Potential Remote Code Execution & Potential Buffer Overflow
Remote attackers can execute arbitrary code on HP DeskJet printers via crafted WSD scan requests due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4682?
CVE-2026-4682 is a high-severity memory corruption vulnerability in HP DeskJet 2800e All-in-One Printer series, published on 15 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Certain HP DeskJet All in One devices may be vulnerable to remote code execution caused by a buffer overflow when specially crafted Web Services for Devices (WSD) scan requests are improperly validated and handled by the MFP.
WSD Scan is a Microsoft Windows–based network scanning protocol that allows a PC to discover scanners (and MFPs) on a network and send scan jobs to them without requiring vendor specific drivers or utilities.
Weakness: CWE-121
Which versions are affected by CVE-2026-4682?
How do I fix CVE-2026-4682?
No fix has been published for CVE-2026-4682 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-4682 being exploited?
There is no known exploitation of CVE-2026-4682 in the wild and no public exploit code.
Sources
Also known as GHSA-r28v-qhr5-pj8w.