Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U H N N 5.5 .0044 36.6 —
AFFECTED
Product Versions Fixed
Microsoft Defender for Endpoint for Mac 101.0.0 – —
TIMELINE
Jun 5 Reserved by microsoft
Jul 14 Published (CNA: microsoft)
Jul 22 RESCORED — CVE-2026-50657 (Microsoft Defender for Endpoint for Mac). CVSS 4.7 → 5.5 (NVD).
Description
Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| June 5, 2026 | Reserved | Reserved by microsoft |
| July 14, 2026 | Published | Published (CNA: microsoft) |
| July 22, 2026 | RESCORED | RESCORED — CVE-2026-50657 (Microsoft Defender for Endpoint for Mac). CVSS 4.7 → 5.5 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Microsoft | Microsoft Defender for Endpoint for Mac | — | 101.0.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-50657 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 Wednesday, August 19, 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.