CVE-2026-49921

CriticalCVSS 9.8/10Last modified Sep 24, 2026

Description

In multiple locations, there is a possible memory safety issue due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 8, 2026
Last modified
Sep 24, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-499277.8In multiple locations, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege CVE-2026-49933.3A vulnerability has been found in wandb OpenUI up to 0.0.0.0/1.0. This impacts an unknown function of the file backend/openui/config.py. TheCVE-2026-499327.8In parseParts of PduParser.java, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local escalation oCVE-2026-499337.8In handle_le_monitor_device_event of msft.cc, there is a possible control-flow hijack in the privileged bluetooth process due to an uninitiaCVE-2026-499377.8In multiple functions of MessageQueueBase.h, there is a possible out of bounds read due to an incorrect bounds check. This could lead to locCVE-2026-499386.5A improper access control vulnerability in Fortinet FortiPortal 7.4.0 through 7.4.7, FortiPortal 7.2.0 through 7.2.8, FortiPortal 7.0 all veCVE-2026-49943.5A vulnerability was found in wandb OpenUI up to 1.0/3.5-turb. Affected is the function generic_exception_handler of the file backend/openui/CVE-2026-499406.5Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks. Unicode digits such as the Arabic-Indic One (U+06CVE-2026-499417.5Net::CIDR::Set versions through 0.20 for Perl did not validate IP addresses. The add method called the _encode method to parse addresses. ICVE-2026-499427.3Net::CIDR::Set versions through 0.20 for Perl did not validate network masks. The mask portion of a network mask could contain Unicode digiCVE-2026-499436.3CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP AS_PATH mask matching implementation inCVE-2026-499488.1Mem0 versions through 0.2.8, fixed in commit ae7f406, contain a missing authorization vulnerability in the self-hosted server component wher
CVE-2026-49921: Critical severity, CVSS 9.8 | Vulnix