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Known exploited vulnerabilities

ISC vulnerabilities attackers have used

Every ISC vulnerability in CISA's Known Exploited Vulnerabilities catalog, newest first, with the federal due date and whether it fed ransomware campaigns.

The short answer

CISA lists 1 ISC vulnerability as exploited in the wild, 1 of them added in the last 12 months. The most recent is CVE-2015-5477, added Oct 8, 2026. BIND has the most entries (1).

In KEV, all time
1
Added, last 12 months
1
Used in ransomware
0
New CVEs this week
0

Every ISC entry in CISA KEV

  1. CVE-2015-5477

    Added · due

    ISC BIND Data Processing Errors Vulnerability

    ISC BIND contains a data processing errors vulnerability that could allow remote attackers to cause a denial of service via TKEY queries.

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