CVE-2026-28587

Local information disclosure via missing provider authorization

Published Jun 17, 2026 · Updated Jun 17, 2026

Missing authorization in Google Android 17 allows local users to retrieve sensitive information through MmsSmsProvider. The MmsSmsProvider class in MmsSmsProvider.java serves the retrieval path without checking the permission required to access the requested data. Exploitation requires local access but no additional execution privileges or user interaction; Google has not disclosed the specific records exposed.

CVSS severity10.0
Critical
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Google Android 17 allows local users to retrieve sensitive information through MmsSmsProvider. The MmsSmsProvider class in MmsSmsProvider.java serves the retrieval path without checking the permission required to access the requested data. Exploitation requires local access but no additional execution privileges or user interaction; Google has not disclosed the specific records exposed.

The record

CVE
CVE-2026-28587
Published
Jun 17, 2026
Updated
Jun 17, 2026
Vendor
Go standard library
Product
Android
Classifications
CWE-862, T1636.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 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=17

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Go standard library · Androidversion=17

Published CVSS scores

10.0AndroidCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
5.5NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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 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-862Missing Authorization
T1636.004Protected User Data: SMS Messages

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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