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CategoryAll Vulnerability 19 AI industry 19 Advisory 18 AI safety & security 18 Data breach 15 Exploit / PoC 13 Threat actor 12 Malware 10 AI research 8 Industry 8 Research 7 AI policy 6 Policy & legal 6 Phishing & fraud 3

SeverityAll critical 9 high 34 medium 44 low 7 info 75

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.

Zero Day Initiative BlogSep 16, 19:58 UTC · 14h agoVulnerability in the wildCVE-2026-65400 CVE-2026-65414 CVE-2026-43692+27 CVEs

Critical Issabel PBX Command Execution Vulnerability Exploited in the Wild

Unauthenticated attackers exploit CVE-2026-89026 in Issabel PBX via forged JWT tokens to run OS commands; exploitation observed since September 9.

CVE-2026-89026 (CVSS v4 9.3) stems from a hard-coded HS256 JWT signing key in Issabel Framework's pbxapi/index.php, letting unauthenticated attackers forge bearer tokens and execute OS commands through the Asterisk Manager Interface originate endpoint. Issabel Framework versions before commit b97dbaf0b71c1c36f841e672b664afbeb02773bd are affected. Shadowserver Foundation first observed exploitation on September 9, 2026, and VulnCheck added the flaw to its Known Exploited Vulnerabilities database.

Cyber Security Newsupdated Sep 16, 15:50 UTC · 18h agofirst Sep 16, 13:12 UTC · 20h agoExploit / PoC in the wild 2 sources CVE-2026-890261

Cisco warns of max severity ISE zero-day exploited in attacks

Cisco patched CVE-2026-76460, a maximum-severity authentication bypass in Identity Services Engine actively exploited in attacks; CISA added it to KEV with a three-day federal deadline.

CVE-2026-76460 is a maximum-severity authentication bypass in an API endpoint of Cisco Identity Services Engine (ISE) and ISE-PIC, exploitable regardless of configuration, allowing attackers to access the web-based management interface. Cisco PSIRT confirmed active exploitation; no workarounds exist, and fixed releases are available for ISE 3.1 through 3.5, with re-imaging of suspect nodes recommended. CISA added the flaw to its Known Exploited Vulnerabilities Catalog and ordered federal agencies to patch within three days. Cisco also patched CVE-2026-76423 and five other critical ISE flaws (CVE-2026-20176, CVE-2026-20211, CVE-2026-20307, CVE-2026-20284) that are not yet flagged as exploited.

BleepingComputer07:20 UTC · 2h agoExploit / PoC in the wildCVE-2026-76460 CVE-2026-76423 CVE-2026-20176+4 CVEs1· 1 read

CVE-2026-86218 | N-able N-central Pre-Authentication Remote Code Execution Vulnerability

N-able N-central pre-auth RCE CVE-2026-86218 (CVSS 10.0) is actively exploited; CISA added it to KEV and a hotfix is available.

CVE-2026-86218 is a critical pre-authentication remote code execution flaw (CWE-96 static code injection) in N-able N-central servers, scored 10.0 CVSS 4.0 by N-able and 9.8 CVSS 3.1 by NIST. N-able fixed it in N-central 2026.3 Hotfix 4 (build 2026.3.1.14) on September 5, 2026, and has already patched hosted NCOD environments. CISA added the CVE to its Known Exploited Vulnerabilities catalog on September 8, 2026, citing evidence of active exploitation, though researchers have not attributed every reported N-central compromise to this flaw. Horizon3 released a NodeZero Rapid Response test to validate exposure and recommends log review for prior compromise.

Horizon3.aiSep 16, 16:06 UTC · 18h agoExploit / PoC in the wildCVE-2026-862183· 1 read

CISA Warns of Critical ScreenConnect Vulnerability Actively Exploited in Attacks

CISA added actively exploited ConnectWise ScreenConnect flaw CVE-2026-84869 to the KEV catalog, setting a September 14 patch deadline.

CISA added CVE-2026-84869, a critical improper privilege management and missing authorization flaw (CWE-269, CWE-862) in ConnectWise ScreenConnect, to its Known Exploited Vulnerabilities Catalog on September 11, 2026, confirming active exploitation. The flaw lets attackers transfer files to a device and execute them during an active remote ScreenConnect session without authorization or host-user confirmation, enabling payload delivery, unauthorized tools, and persistence while blending into legitimate remote-management traffic. CISA set a September 14 remediation deadline under BOD 26-04 and flagged the vulnerability as requiring forensic triage. ConnectWise has published a security bulletin, and defenders are urged to review exposure, sessions, file-transfer records, and outbound connections.

Cyber Security NewsSep 16, 15:31 UTC · 18h agoExploit / PoC in the wild 4 sources CVE-2026-848693

U.S. CISA adds Acronis Backup, Cisco ISE, and Google Pixel flaws to its Known Exploited Vulnerabilities catalognew

CISA added actively exploited flaws in Cisco ISE, Acronis Backup, and Google Pixel (CVE-2026-76460, CVE-2026-87886, CVE-2026-58704) to its KEV catalog.

CISA added three actively exploited vulnerabilities to its Known Exploited Vulnerabilities catalog: CVE-2026-76460 (CVSS 10.0), an unauthenticated API authentication bypass in Cisco Identity Services Engine that Cisco confirms is being actively exploited; CVE-2026-87886, a local privilege escalation in the Acronis Backup plugins for cPanel/WHM and Plesk exploited in limited targeted attacks; and CVE-2026-58704 (CVSS 8.8), a Google Pixel cellular modem permission bypass exploited in limited, targeted attacks and patched in the September 2026 Pixel update. Under BOD 22-01, federal agencies must remediate KEV entries by the stated due dates. Google has not attributed the Pixel exploitation to any actor.

Security Affairsupdated 10:06 UTC · 5m agofirst 09:26 UTC · 45m agoExploit / PoC in the wild 18 sources CVE-2026-76460 CVE-2026-87886 CVE-2026-58704

CVE-2026-76461: Cisco Email Gateway Flaw Exploited

Cisco confirmed active exploitation of CVE-2026-76461, a critical SQL injection flaw in Secure Email Gateway that enables OS command execution.

Cisco has confirmed that attackers are actively exploiting CVE-2026-76461 in Secure Email Gateway. The critical SQL injection vulnerability can lead to operating-system command execution on affected appliances. Organizations running vulnerable versions should prioritize patching.

SOCRadarSep 16, 13:57 UTC · 20h agoExploit / PoC in the wild 17 sources CVE-2026-76461