Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-55306

CVE-2026-55306HIGH

Google Android — In Cellular Modem, there is a possible denial of service due to improper input validation.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  N  H    7.5   .0035   26.4     —

AFFECTED
  Product  Versions          Fixed
  Android  Android kernel –  —

TIMELINE
  Jun 16  Reserved by Google_Devices
  Sep 15  Published (CNA: Google_Devices)
  Sep 16  RESCORED — CVE-2026-55306 (Google Android). CVSS 6.5 → 7.5 (NVD).

CWE-20 · CNA: Google_Devices · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

In Cellular Modem, there is a possible denial of service due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 16, 2026	Reserved	Reserved by Google_Devices
September 15, 2026	Published	Published (CNA: Google_Devices)
September 16, 2026	RESCORED	RESCORED — CVE-2026-55306 (Google Android). CVSS 6.5 → 7.5 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Google	Android	—	Android kernel	—

Weaknesses

CWE-20

References (1)

https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01 [Vendor Advisory]

Authoritative record: CVE-2026-55306 at cve.org

Vendors: google

Weaknesses: CWE-20

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-55306 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.