HackerFeeds

CyberSecurity News

August 2026 Patch Tuesday: Microsoft Fixes 421 CVEs, One Exploited Zero-Day

SecurityWeek
· August 11, 2026

AI summary

Microsoft has fixed 421 CVEs in its August 2026 Patch Tuesday, including one exploited zero-day vulnerability. The exploited zero-day is a use-after-free issue in the afd.sys Windows kernel-mode driver, which can be used to gain SYSTEM privileges.

Read the full article at SecurityWeekwww.securityweek.com/august-2026-patch-tuesday-microsoft-fixes-421-cves-one-exploited-zero-day/

This is an AI-generated brief aggregated by HackerFeeds for convenience and grounded in the source’s own summary; the related CVE, threat-group and country data is from HackerFeeds’ own indexes. The original article is the authoritative source — all rights belong to SecurityWeek.