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The Apple Security Update Review for September 2026

Apple's September 2026 updates patch 45+ flaws, including a 9.8 Screen Sharing authentication bypass (CVE-2026-65400) already listed in CISA's KEV.

ZDI's review of Apple's September 2026 security updates catalogs dozens of CVEs across macOS, iOS, iPadOS, watchOS and other platforms. CVE-2026-65400 (CVSS 9.8) lets a network attacker authenticate to Screen Sharing Server without valid credentials and is flagged as KEV, while CVE-2026-65414 (CVSS 9.8) enables remote code execution via Bluetooth. The set also includes 8.8-rated memory corruption flaws in WebKit, WebRTC, CUPS, ImageIO and the kernel, plus sandbox escapes, privilege escalations to root, and arbitrary code execution via crafted files.

CVE-2026-85706: Critical GitLab Path Traversal Exploited in the Wild

CVE-2026-85706, a CVSS 10.0 unauthenticated path traversal in GitLab CE/EE, is actively exploited and was added to CISA's KEV catalog.

GitLab patched CVE-2026-85706, a critical path traversal (CWE-22) in the repository commits API scoring CVSSv3.1 10.0, allowing unauthenticated arbitrary file reads on affected self-managed servers under certain conditions. CISA added it to the KEV catalog on September 11, 2026, citing active exploitation, with a September 14 remediation deadline and BOD 26-04 forensic triage requirements. Fixed versions are 19.1.8, 19.2.6, and 19.3.2; the release also fixes 17 other vulnerabilities including CVE-2026-87719, a CVSS 9.9 insecure deserialization flaw in GitLab EE.

Rapid7 Blogupdated · 2d agofirst · 2d agoExploit / PoC in the wild 18 sourcesCVE-2026-85706CVE-2026-877192

Cisco Secure Email Gateway Flaw Exploited in the Wild, Enables Root Command Execution

Cisco warns CVE-2026-76461 in Secure Email Gateway AsyncOS is actively exploited, letting unauthenticated attackers run root commands via crafted emails.

Cisco disclosed CVE-2026-76461, a CVSS 9.8 flaw in AsyncOS for Cisco Secure Email Gateway caused by insufficient validation in email parsing, allowing unauthenticated remote attackers to execute arbitrary SQL statements leading to root command execution. Active exploitation began in September 2026, and CISA added the flaw to its KEV catalog, requiring FCEB agencies to patch by September 17, 2026. Fixes are available in AsyncOS 15.5.5-0141, 16.0.4-302, and 16.5.0-780, with no workarounds. Cisco also contacted Secure Email Cloud customers where malicious activity was detected, and the article separately notes large-scale credential attacks on Fortinet VPN appliances generating tens of millions of authentication failures.

The Hacker Newsupdated · 17h agofirst · 2d agoExploit / PoC in the wild 17 sourcesCVE-2026-76461