Microsoft Security Updates — July 2026
Roundup of Microsoft security advisories published in July 2026.
CVE search metadata
CVE search record: CVE-2026-58299. Severity: high. CVSS: 7.5. EPSS: 0.47%. KEV: no. Brief: Microsoft Security Updates — July 2026. Brief link: https://feed.craftedsignal.io/briefs/2026-07-microsoft-security-updates/
CVE search record: CVE-2026-50405. Severity: high. CVSS: 7.8. EPSS: 0.30%. KEV: no. Brief: Microsoft Security Updates — July 2026. Brief link: https://feed.craftedsignal.io/briefs/2026-07-microsoft-security-updates/
CVE search record: CVE-2026-50503. Severity: high. CVSS: 7.0. EPSS: 0.20%. KEV: no. Brief: Microsoft Security Updates — July 2026. Brief link: https://feed.craftedsignal.io/briefs/2026-07-microsoft-security-updates/
CVE search record: CVE-2026-55141. Severity: high. CVSS: 7.8. EPSS: 0.47%. KEV: no. Brief: Microsoft Security Updates — July 2026. Brief link: https://feed.craftedsignal.io/briefs/2026-07-microsoft-security-updates/
CVE search record: CVE-2026-56650. Severity: high. CVSS: 7.8. EPSS: 0.33%. KEV: no. Brief: Microsoft Security Updates — July 2026. Brief link: https://feed.craftedsignal.io/briefs/2026-07-microsoft-security-updates/
What's new
- 1. added CVE-2026-50405 +4 Aug 27, 21:04 via cisa-kev
- 2. poc_available; added CVE-2026-40422 +4; microsoft edge version < 150.0.4078.48 Aug 10, 14:37 via exploit-db
- 3. added CVE-2026-47302 +4 Aug 10, 13:30 via the-hacker-news
- 4. new IOCs Aug 5, 09:12 via risky-biz
- 5. added CVE-2026-42982 +4 Jul 31, 15:31 via reddit-blueteamsec
Aggregated Microsoft security advisories for July 2026. CVEs from this cycle are folded into the list below as they are published.
Recommendation
Review affected products and apply Microsoft's July 2026 security updates.