# NCSC-NL Details Android Security Patches

Published: 2026-10-07 · Severity: routine · Sectors: technology
Canonical: https://vorant.io/reports/952a5bd0-8b00-565e-b62f-d7b2cf9037b1/ncsc-nl-details-android-security-patches

> NCSC-NL advisory summarizes multiple Google Android and Samsung Mobile vulnerabilities fixed in October 2026 updates, enabling privilege escalation and memory corruption.

NCSC-NL published a security advisory consolidating multiple vulnerabilities patched by Google in Android versions 14, 15, 16, and 17, along with corresponding fixes from Samsung for Samsung Mobile devices. The vulnerabilities span a range of weakness classes including heap-based buffer overflows, integer overflows, uncaught exceptions, race conditions, confused deputy issues, use of uninitialized variables, out-of-bounds writes, uninitialized pointer access, type confusion, and missing authorization checks. Affected components include Bluetooth subsystems, network parsing modules, device management functions, and audio controllers.

Exploitation of these flaws can lead to out-of-bounds memory reads and writes, memory corruption, privilege escalation, information disclosure, denial-of-service conditions, and in severe cases full system control. The advisory notes that exploitation can occur locally or remotely, often without requiring user interaction or elevated privileges — a combination that increases the urgency of patching, particularly for the higher-severity entries such as CVE-2026-45524 (CVSS 8.8), CVE-2026-55280 (CVSS 8.8), and CVE-2026-58835 (CVSS 8.8). No in-the-wild exploitation is mentioned in the advisory.

Defenders managing Android fleets, particularly Samsung Mobile devices, should prioritize deployment of the referenced Google and Samsung security updates. This is a routine monthly-style vulnerability roundup rather than a report of a single named campaign; severity is assessed as medium given no evidence of active exploitation, but organizations should treat the higher-CVSS entries as priority patches.

## Mentioned in this report

- Vulnerabilities: CVE-2026-21114, CVE-2026-21115, CVE-2026-21116, CVE-2026-21117, CVE-2026-21118, CVE-2026-21119, CVE-2026-21120, CVE-2026-21121, CVE-2026-21122, CVE-2026-21123, CVE-2026-21124, CVE-2026-21125, CVE-2026-21126, CVE-2026-28667, CVE-2026-45513, CVE-2026-45516, CVE-2026-45524, CVE-2026-49878, CVE-2026-49880, CVE-2026-49885, CVE-2026-49933, CVE-2026-49937, CVE-2026-55265, CVE-2026-55266, CVE-2026-55269, CVE-2026-55270, CVE-2026-55279, CVE-2026-55280, CVE-2026-55286, CVE-2026-58815, CVE-2026-58834, CVE-2026-58835, CVE-2026-58841, CVE-2026-58854, CVE-2026-58856, CVE-2026-58859, CVE-2026-58865, CVE-2026-58880

Source reporting: https://advisories.ncsc.nl/2026/ncsc-2026-0405.html

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