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Mallory
High

Local privilege escalation in Android 16 apexd VerifyNoOverlapInSessions

IdentifiersCVE-2025-48581CWE-840

CVE-2025-48581 is a vulnerability in the Android System component affecting Android 16. The flaw is located in VerifyNoOverlapInSessions in apexd.cpp and is described as a logic error. According to the provided sources, this logic flaw can be abused to block security updates delivered through mainline installations. Successful exploitation could then result in local escalation of privilege. The available information does not provide deeper implementation details beyond the affected function and the fact that the issue stems from incorrect program logic.

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For your environment

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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.

An attacker may be able to interfere with or block security updates delivered via Android mainline installations and obtain local privilege escalation on affected Android 16 devices. The provided reporting states that exploitation requires no additional execution privileges and no user interaction.

Mitigation

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

If the official patch cannot be applied immediately, reduce exposure by accelerating deployment of vendor security updates that include the 2025-11-01 Android patch level or later. Because the issue is tied to mainline installation/update handling in apexd, limiting untrusted local access to affected devices may reduce risk until patching is completed. No specific vendor-independent workaround is provided in the supplied content.

Remediation

Patch, then assume compromise.

Apply the Android November 2025 security update, specifically devices updated to security patch level 2025-11-01, which includes the fix for CVE-2025-48581. Upgrade affected Android 16 devices to a build incorporating that patch level or later vendor-provided security updates.
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.

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.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

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 activity7

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