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17 December 2025

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • High 8.8
    CVE-2025-43529 Exploited Public exploit EPSS 26%

    A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 an…

    Apple macOS iOS and iPadOS watchOS macOS iOS Browsers Debian Ubuntu
    KEV Dec 15, 2025
  • Critical 10.0
    CVE-2025-20393 Exploited Public exploit EPSS 32%

    Cisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution Vulnerability

    A vulnerability in the Spam Quarantine feature of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to execute arbitrary system commands on an affected device with root…

    Cisco Cisco Secure Email Cisco Secure Email and Web Manager Network devices
    KEV Dec 17, 2025