July 2026 Patch TuesdayMSRC-2026-07-system-center-release-notesNormal patch window

Microsoft · MSRC-2026-07-system-center-release-notes

Linked CVE review

Deploy Microsoft System Center update for Microsoft Defender for Endpoint for Mac

Linked CVEs: 3
Confirmed exploited: 0
PoC or lab evidence: 0
Maximum CVSS: 7.0

Evidence is kept separate

Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.

3 of 3 linked CVEs shown

Confirmed exploitedCVSS above 9.0

CVE and description	Severity	Exploit reality	Forecast and access	Remediation
CVE-2026-50658 Scheduled assessment Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.	7.0 · CVSS 3.1 · HighSource: CNA	No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.	EPSS: 0.20% · 9.3th percentileForecast date: 2026-10-09LOCAL · HIGH complexity · LOW privileges · NONE user interaction	Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.
CVE-2026-50657 Scheduled assessment Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.	4.7 · CVSS 3.1 · MediumSource: CNA	No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.	EPSS: 0.40% · 32.2th percentileForecast date: 2026-10-09LOCAL · HIGH complexity · LOW privileges · NONE user interaction	ScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.
CVE-2026-56178 Scheduled assessment Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.	5.5 · CVSS 3.1 · MediumSource: CNA	No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.	EPSS: 0.23% · 13.0th percentileForecast date: 2026-10-09LOCAL · LOW complexity · LOW privileges · NONE user interaction	ScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.