CVE-2026-47258

8.2 HIGH Fix listed Memory safety Device

What it is

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4, 1.5.1, and 1.6.0, a stack-based out-of-bounds write exists in the Notification Class object implementation when handling AddListElement for the recipient-list property. This issue has been patched in versions 1.4.4, 1.5.1, and 1.6.0.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-18 23:03 UTC ReservedThe CVE id was reserved by its CNA
2026-11-12 20:18 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-11-12 22:09 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: not scored yet.
Severity: 8.2 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2026-11-12 20:18 UTC
Last modified: 2026-11-12 22:09 UTC
Weakness: CWE-20 · Improper input validation
Record status: Awaiting Analysis

Attack profile CVSS 3.1 · 8.2

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-47258.md and follow it. Check whether this project is affected by CVE-2026-47258. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record