Vulnerability · Published Sep 9, 2026 · Assigned by SamsungMobile
CVE-2026-21096
Critical 9.2
In plain English
A critical-severity heap buffer overflow in Samsung Mobile Devices from Samsung Mobile. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.8%top 43.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Heap-based buffer overflow in JPEG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Samsung Mobile | Samsung Mobile Devices | see references |
Weakness: CWE-122 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N