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.
AV AC PR UI S C I A CVSS EPSS %ile KEV L L L N U H H H 7.8 .0011 1.3 —
AFFECTED Product Versions Fixed AIX 7.2 – — PowerVM VIOS 4.1 – —
TIMELINE Aug 13 Reserved by ibm Aug 20 Published (CNA: ibm) Aug 25 RESCORED — CVE-2026-19783 (IBM AIX). CVSS 6.7 → 7.8 (NVD).
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause kernel memory corruption due to insufficient validation. A crafted filesystem image can trigger an out-of-bounds kernel-stack write during directory reads, causing a system crash or potentially enabling privilege escalation.
| Date | Event | Detail |
|---|---|---|
| August 13, 2026 | Reserved | Reserved by ibm |
| August 20, 2026 | Published | Published (CNA: ibm) |
| August 25, 2026 | RESCORED | RESCORED — CVE-2026-19783 (IBM AIX). CVSS 6.7 → 7.8 (NVD). |
Authoritative record: CVE-2026-19783 at cve.org
Vendors: ibm
Weaknesses: CWE-787
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19783 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.
