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-2026-58731
Google Android — In multiple functions of physmem_extmem_linux.c, there is a possible out-of-bounds read due to uninitialized data.
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L N N U H N N 6.2 .0010 0.7 —
AFFECTED
Product Versions Fixed
Android Android kernel – —
TIMELINE
Jul 2 Reserved by Google_Devices
Sep 15 Published (CNA: Google_Devices)
Sep 16 RESCORED — CVE-2026-58731 (Google Android). CVSS 5.5 → 6.2 (NVD).
Description
In multiple functions of physmem_extmem_linux.c, there is a possible out-of-bounds read due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| July 2, 2026 | Reserved | Reserved by Google_Devices |
| September 15, 2026 | Published | Published (CNA: Google_Devices) |
| September 16, 2026 | RESCORED | RESCORED — CVE-2026-58731 (Google Android). CVSS 5.5 → 6.2 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Google | Android | — | Android kernel | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-58731 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.
