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CVE-2022-20448Patch(google / android)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch google android systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

In buzzBeepBlinkLocked of NotificationManagerService.java, there is a possible way to share data across users due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-237540408

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-276

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • android

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
google
Products
android

5 versions affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-29: 1Patch / Workaround · 2026-05-29: 1Technical Details · 2026-05-29: 105-29
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • DEV Community@ThePracticalDev
    Patch

    One missing user check in Android let a screen reader leak another user's private notifications. This dev breaks down CVE-2022-20448 and the one-line fix that closed it. { author: @karol_wrotniak + @GoogleDevGroups } https://dev.to/gdg/bypassing-user-isolation-on-android-with-a-screen-reader-3k72

    Post summary

    The article explains CVE‑2022‑20448’s missing user check flaw and describes a one‑line patch that addresses it.

    100311.9K
    316.8K followersView on X
CPE platform detail5 entries

5 of 5 entries

PartVendorProductVersionTarget SWTarget HW
OSgoogleandroid10.0--
OSgoogleandroid11.0--
OSgoogleandroid12.0--
OSgoogleandroid12.1--
OSgoogleandroid13.0--

Explore more

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