CVE-2024-34736

Local information disclosure via asynchronous B-frame playback

Published Aug 15, 2024 · Updated Nov 5, 2024

Information disclosure in Google Android 12, 12L, 13, and 14 allows local users to disclose data through asynchronous playback. StagefrightRecorder.cpp's setupVideoEncoder enables B-frames when microphone audio and a surface video source are selected, causing screen-recording audio and video to play out of sync. Local access is required and user interaction is not; Google's CNA description states privilege escalation, while its bulletin classifies the issue as information disclosure.

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

Information disclosure in Google Android 12, 12L, 13, and 14 allows local users to disclose data through asynchronous playback. StagefrightRecorder.cpp's setupVideoEncoder enables B-frames when microphone audio and a surface video source are selected, causing screen-recording audio and video to play out of sync. Local access is required and user interaction is not; Google's CNA description states privilege escalation, while its bulletin classifies the issue as information disclosure.

The record

CVE
CVE-2024-34736
Published
Aug 15, 2024
Updated
Nov 5, 2024
Vendor
Google
Product
Android
Classifications
T1068
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Aug 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 5, 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=13
  4. Affected versionversion=14

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

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

Published CVSS scores

6.2CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.8NIST NVDCVSS: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.

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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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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