CVE-2024-56190

Local privilege escalation via WLAN scan buffer overwrite

Published Sep 4, 2025 · Updated Feb 26, 2026

Out-of-bounds write in Google Android's Broadcom WLAN driver allows local users to elevate privileges through malformed SSID data. The wl_update_hidden_ap_ie() function in wl_cfgscan.c insufficiently validates SSID information-element input before updating the scan buffer, permitting a write beyond its bounds. Low-privileged local access is required, user interaction is unnecessary, and successful exploitation elevates privileges on an affected Pixel device.

CVSS severity7.8
High
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Google Android's Broadcom WLAN driver allows local users to elevate privileges through malformed SSID data. The wl_update_hidden_ap_ie() function in wl_cfgscan.c insufficiently validates SSID information-element input before updating the scan buffer, permitting a write beyond its bounds. Low-privileged local access is required, user interaction is unnecessary, and successful exploitation elevates privileges on an affected Pixel device.

The record

CVE
CVE-2024-56190
Published
Sep 4, 2025
Updated
Feb 26, 2026
Vendor
Google Cloud
Product
Android
Classifications
CWE-20, CWE-787, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Android kernel

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Google Cloud · Androidversion=Android kernel

Published CVSS scores

7.8CISA ADP VulnrichmentCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
CWE-787Out-of-bounds Write
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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