Observed Signal · Oct 5, 2026 · Market Signal · Source: Sophos · Impact: 4/5
Citrix NetScaler vulnerability (CVE-2026-88779) in active exploitation
Sophos has published a new blog post about a Citrix NetScaler vulnerability (CVE-2026-88779) that is in active exploitation. The post is dated October 5, 2026 and is categorized under Threat Research.
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Citrix NetScaler vulnerabilities (CVE-2026-88771, CVE-2026-88772) in active exploitation
New blog post published September 28, 2026: Citrix NetScaler vulnerabilities (CVE-2026-88771, CVE-2026-88772) in active exploitation.
Critical Cisco Bug Exploited Since 2023, Global Alert Issued
Cisco disclosed a critical vulnerability (CVSS 10.0) in its Catalyst SD‑WAN product family that allows remote attackers to gain full, persistent privileged access to affected devices. Cisco’s researchers found evidence of exploitation dating back to 2023, and some impacted organizations are described as critical infrastructure. Governments including Australia, Canada, New Zealand, the United Kingdom and the United States issued warnings; U.S. agency CISA ordered civilian federal agencies to patch by the end of the specified Friday citing imminent threat. Cisco and governments did not publicly attribute the attacks to a named threat actor, though Cisco tracked a cluster of activity as UAT‑8616. The disclosure follows a December advisory for another actively exploited Cisco vulnerability in Async software.
Sophos Named a Leader in the IDC MarketScape for Worldwide Modern Endpoint Security for Enterprises 2026
Sophos has been named a Leader in the IDC MarketScape for Worldwide Modern Endpoint Security for Enterprises 2026, recognizing the strength of our prevention-first approach and stopping AI-era threats as early as possible.
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