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Back to active CVEs
High · CVSS 7.0CVE-2026-15419

CP210x Driver Memory Corruption results in Arbitrary Code ExecutionCVE-2026-15419

Answer in brief

CVE-2026-15419 records a High severity (CVSS 7.0) vulnerability in CP210x Driver Memory Corruption results in Arbitrary Code Execution. The current sources do not mark it as known exploited. The current feed maps Silicon Labs/silabser.sys driver (generic), Silicon Labs/silabser.sys driver (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 10, 2026Updated Sep 10, 2026Source checked Oct 25, 2026First seen by HOL Sep 10, 2026Material review Sep 10, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.0
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Silicon Labs/silabser.sys driver (generic), Silicon Labs/silabser.sys driver (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Silicon Labs/silabser.sys drivergeneric>=0 <=11.5.0Not reported
Silicon Labs/silabser.sys drivergeneric0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Silicon Labs/silabser.sys driver, Silicon Labs/silabser.sys driver.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 10, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 10, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 10, 2026

Sources and claim methodology

  • Source referencesiliconlabs.lightning.force.com
Upstream source description

In the silabser.sys driver for CP210x devices v11.5.0 and earlier, a local unprivileged user with a malicious device can use malformed packets to corrupt kernel pool memory, resulting in arbitrary code execution with escalated privileges.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
RCE
EPSS
Not reported
CWE IDs
CWE-121
Source
CVE List V5
Source checked
Oct 25, 2026
References
1 linked source
Open source record