CVE-2024-40662

Local privilege escalation via unsanitized URI schemes

Published Sep 11, 2024 · Updated Sep 11, 2024

Improper input validation in Android Framework 12 through 14 allows local users to escalate privileges via a malformed URI scheme. Uri.Builder.scheme() stores a caller-supplied scheme unchanged, including embedded scheme delimiters, and serialization then combines it with an authority into a misleading malformed URI. Low-privileged local access is required, but exploitation needs no user interaction and grants elevated privileges on the device.

CVSS severity7.8
High
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Android Framework 12 through 14 allows local users to escalate privileges via a malformed URI scheme. Uri.Builder.scheme() stores a caller-supplied scheme unchanged, including embedded scheme delimiters, and serialization then combines it with an authority into a misleading malformed URI. Low-privileged local access is required, but exploitation needs no user interaction and grants elevated privileges on the device.

The record

CVE
CVE-2024-40662
Published
Sep 11, 2024
Updated
Sep 11, 2024
Vendor
Google
Product
Android
Classifications
CWE-269, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 11, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 11, 2024Record 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=12
  2. Affected versionversion=12l
  3. Affected versionversion=12L
  4. Affected versionversion=13
  5. Affected versionversion=14

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Google · Androidversion=12; version=12l; version=12L; version=13; version=14

Published CVSS scores

7.8NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8CISA-ADPCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
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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