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Microsoft’s September 2026 Patch Tuesday addresses 964 CVEs (CVE-2026-81963, CVE-2026-85880)

Microsoft's September 2026 Patch Tuesday fixes a record 964 CVEs, including two zero-days actively exploited in the wild.

Microsoft patched a record 964 CVEs in its September 2026 Patch Tuesday release, with 101 rated critical and 824 rated important, making it the largest Patch Tuesday to date. The release includes fixes for two zero-days that were exploited in the wild, with CVE-2026-81963 and CVE-2026-85880 highlighted in the release. Affected products span Windows core components, Office, Exchange, .NET, Visual Studio, Active Directory services (including AD CS and AD FS) and numerous Azure services. Tenable notes the release surpasses July's as the biggest ever.

Tenable Blog · 8d agoVulnerability in the wildCVE-2026-81963CVE-2026-858801

Dell Secure Connect Gateway Critical Flaws Allow Unauthenticated Remote Code Execution and Admin Access

Dell patched three critical Secure Connect Gateway flaws (CVE-2026-80172 up to CVSS 9.8) enabling unauthenticated admin access, remote code execution, and host takeover.

Dell Security Advisory DSA-2026-382 fixes three critical vulnerabilities in Secure Connect Gateway (SCG) 5.0, affecting appliances earlier than 5.36.00.16 and applications earlier than 5.36.00.00. CVE-2026-80172 (CVSS 9.8) allows unauthenticated replay of captured requests to obtain ADMIN access due to missing nonce and time validation; CVE-2026-61410 (9.4) enables unauthenticated command execution via missing authorization; CVE-2026-80238 (9.3) involves an exposed Docker socket allowing root access and container escape. Dell urges immediate upgrades and recommends restricting management interfaces to trusted networks and rotating credentials if compromise is suspected.

Homebrew 7.0.0 is out, here’s what changed for security

Homebrew 7.0.0 closes eight security advisories, including a High sudo execution bug fixed in 6.0.12, and ships brew vulns vulnerability scanning.

Homebrew 7.0.0 closes eight security advisories rated one High, two Moderate, and five Low. The High flaw let unsigned cask removal metadata execute commands with sudo (fixed in 6.0.12), while the 7.0.0 Moderate closes a LaunchServices escape that let a malicious cask execute code outside the macOS install sandbox. The release ships brew vulns, which checks installed formulae against OSV.dev, extends build attestation verification to third-party tap bottles, and replaces Bubblewrap with Landlock sandboxing on Linux.

Help Net Security · 1d agoVulnerability