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Multiple CVEs Exploited in Cybersecurity Threats: September 2026

Multiple CVEs Exploited in Cybersecurity Threats: September 2026

First seen 8 Sep 2026, 20:43 UTC • •

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ThreatCluster AI
ThreatCluster •September 9, 2026 at 20:14 UTC
  • •CVE-2026-81963 and CVE-2026-85880 are actively exploited vulnerabilities in Windows.
  • •Adobe Commerce and N-able N-central have critical vulnerabilities requiring immediate action.
  • •Internet-facing applications are particularly at risk due to exposed administrative interfaces.

In September 2026, several critical vulnerabilities were disclosed, notably CVE-2026-81963 and CVE-2026-85880, both of which are actively exploited. CVE-2026-81963, affecting Windows Update Stack, allows local privilege escalation without user interaction. CVE-2026-85880, a heap-based buffer overflow in Windows ALPC, also enables privilege elevation for attackers with local access. Other vulnerabilities include CVE-2026-75650 in Adobe Commerce, CVE-2026-86218 in N-able N-central, and CVE-2026-86722 in AVideo, all requiring urgent remediation. Affected systems include internet-facing applications and services, particularly those with administrative access exposed. The urgency of these vulnerabilities is underscored by their potential for widespread exploitation and significant impact on organizational security.

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Timeline

2026-09-06
CVE-2026-86218 published
N-able N-central vulnerability disclosed, allowing pre-auth remote code execution.
Redpacketsecurity
2026-09-07
CVE-2026-75650 and CVE-2026-86300 published
Adobe Commerce and Tenda vulnerabilities disclosed, both requiring urgent remediation.
Redpacketsecurity
2026-09-08
CVE-2026-81963 and CVE-2026-85880 added to CISA KEV
Both vulnerabilities confirmed to be actively exploited in the wild.
Hkcert
2026-09-08
CVE-2026-86722 published
AVideo vulnerability disclosed, allowing authentication bypass for new devices.
Redpacketsecurity
2026-09-09
CVE-2026-81963 and CVE-2026-85880 exploited in the wild
Microsoft confirmed active exploitation of these vulnerabilities in their September security update.
Hkcert

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