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CISA Adds Two Vulnerabilities to KEV Catalog Amid Active Exploitation

CISA Adds Two Vulnerabilities to KEV Catalog Amid Active Exploitation

First seen 7 Nov 2026, 17:17 UTC • •

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ThreatCluster AI
ThreatCluster •November 7, 2026 at 17:17 UTC

CISA has added two vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog. CVE-2026-19868, a high-severity flaw in SonicWall SonicOS SSLVPN, was added on November 6, 2026, due to evidence of active exploitation. This vulnerability allows attackers to exploit single-factor authentication weaknesses, posing significant risks to federal agencies. Additionally, CVE-2024-27834, an improper-authentication flaw affecting Apple systems, was added on November 4, 2026, and has a remediation deadline of November 18 for Federal Civilian Executive Branch (FCEB) agencies under BOD 26-04. CISA encourages all organizations to prioritize remediation of vulnerabilities listed in the KEV Catalog. The vulnerabilities are linked to ongoing exploitation campaigns, highlighting the urgency for organizations to address these issues promptly.

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Timeline

2026-11-04
CVE-2024-27834 added to KEV Catalog
CISA added an improper-authentication flaw affecting Apple systems to the KEV Catalog.
Neoteo
2026-11-06
CVE-2026-19868 added to KEV Catalog
CISA added a high-severity vulnerability in SonicWall SonicOS SSLVPN due to active exploitation.
Cisa

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Common questions

What systems are affected by CVE-2026-19868?
CVE-2026-19868 affects SonicWall SonicOS SSLVPN systems.
What is the remediation deadline for CVE-2024-27834?
The remediation deadline for CVE-2024-27834 is November 18, 2026, for FCEB agencies.
How can organizations prioritize these vulnerabilities?
Organizations should adopt risk-based vulnerability management to prioritize remediation of vulnerabilities in the KEV Catalog.