CVE-2026-21385
HIGH
2026-03-02
[email protected]
7.8
CVSS 3.1
Share
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
5
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Added to CISA KEV
Mar 04, 2026 - 18:13 cisa
CISA KEV
PoC Detected
Mar 04, 2026 - 18:13 vuln.today
Public exploit code
Patch Released
Mar 04, 2026 - 18:13 nvd
Patch available
CVE Published
Mar 02, 2026 - 17:16 nvd
HIGH 7.8
Tags
Memory Corruption
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Description
Memory corruption while using alignments for memory allocation.
Analysis
A Qualcomm chipset vulnerability (CVE-2026-21385) causes memory corruption through improper integer handling during memory allocation, enabling local privilege escalation to kernel level. KEV-listed and patched, this vulnerability affects Qualcomm-based mobile devices and embedded systems, potentially impacting billions of Android devices globally.
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Remediation
Within 24 hours: Inventory all affected systems and assess exposure in production environments. Within 7 days: Deploy available vendor patch to all critical and high-priority systems; establish change management approval if not already expedited for critical vulnerabilities. …
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Priority Score
89
Low
Medium
High
Critical
KEV: +50
EPSS: +0.4
CVSS: +39
POC: +20
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).