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High

Work profile contact leak in Android EditFdnContactScreen confused deputy

IdentifiersCVE-2025-48586CWE-441· Unintended Proxy or Intermediary…

CVE-2025-48586 is an Android System local elevation-of-privilege vulnerability in EditFdnContactScreen.java. According to the provided description, the flaw exists in onActivityResult and allows contacts from the work profile to be leaked due to a confused deputy condition. In practice, a less-privileged local app or process can cause a more-privileged component to perform an action on its behalf and disclose data that should remain isolated within the work profile boundary. The issue does not require additional execution privileges and does not require user interaction.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can expose contacts stored in the Android work profile to an unauthorized local actor, violating profile isolation and enterprise data separation guarantees. Because the issue is classified as a local elevation of privilege, exploitation allows an attacker operating from a lower-privileged app context to obtain access to data beyond its intended authorization scope.

Mitigation

If you can’t patch tonight, do this now.

Until patches are applied, reduce exposure by limiting installation of untrusted local applications, especially on devices using work profiles or enterprise-managed profiles. Enterprises should prioritize rapid deployment of the relevant December 2025 Android security update across managed devices and enforce application control policies to reduce the chance of a malicious local app being present. Additional mitigation details are not provided in the supplied content.

Remediation

Patch, then assume compromise.

Apply the Android security update that includes the fix for CVE-2025-48586. The provided bulletin context indicates that Google’s December 2025 Android Security Bulletin addresses this issue, and devices updated to the 2025-12-05 patch level are described as fully remediated for issues in that bulletin. OEM/vendor-provided updates incorporating the corresponding Android System fix should also be deployed where applicable.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
GoogleAndroidoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

4 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity3

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2025-48586
NVD
nvd.nist.gov/vuln/detail/CVE-2025-48586
MITRE CWE · CWE-441
Unintended Proxy or Intermediary ('Confused…
Patch
android.googlesource.com/platform/packages/services/Telephony/+/851fc787e96189a37f88cb9eaa688087883357c3
Vendor Advisory
source.android.com/security/bulletin/2025-12-01