Vulnerability · Published Apr 6, 2026 · Assigned by qualcomm
CVE-2026-21371Buffer Over-read in WinBlast Driver
High 7.8
In plain English
A high-severity security flaw in Snapdragon from Qualcomm, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 99.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Memory Corruption when retrieving output buffer with insufficient size validation.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm, Inc. | Snapdragon | AQT1000CologneFastConnect 6200FastConnect 6700FastConnect 6800FastConnect 6900FastConnect 7800QCA0000 |
Weakness: CWE-126 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H