Threat landscape

Software flaws hackers are using right now

The US government’s list of security flaws that attackers are actively using, with how serious each one is and which products it affects. Everything on this list has been seen in a real attack. None of it is a prediction.

1710
Flaws on the list
11
Added in 7 days
6
Fix deadline within 7 days
360
Used by ransomware gangs
CVEAffectedCVSSExploit oddsAddedDue
CVE-2026-55584Not specified7.5high2.4% · top 17%
CVE-2026-55553Not specified7.5highunder 1% · top 70%
CVE-2026-55552Not specified7.5highunder 1% · top 64%
CVE-2026-55532Not specified7.6highunder 1% · top 97%
CVE-2026-55525Not specified7.5highunder 1% · top 78%
CVE-2026-55484Not specified7.5highunder 1% · top 72%
CVE-2026-55256Not specified6.5mediumNot scored
CVE-2026-55241Not specified7.5highNot scored
CVE-2026-55215Not specified7.5highunder 1% · top 64%
CVE-2026-55099Not specified7.5highunder 1% · top 68%
CVE-2026-54874Openssl Openssl7.5highunder 1% · top 57%
CVE-2026-54789Not specified7.5highunder 1% · top 59%
CVE-2026-54788Not specified7.5highunder 1% · top 55%
CVE-2026-54598Not specified7.5highunder 1% · top 76%
CVE-2026-54493Not specified7.7highunder 1% · top 75%
CVE-2026-54481Not specified7.5highNot scored
CVE-2026-54457Not specified7.7highunder 1% · top 78%
CVE-2026-54258Not specified6.5mediumNot scored
CVE-2026-54248Not specified6.5mediumNot scored
CVE-2026-54100Redhat Openshift Container Platform8.3highunder 1% · top 78%
CVE-2026-54054Not specified6.5mediumNot scored
CVE-2026-53958Not specified7.6highunder 1% · top 71%
CVE-2026-53637Not specified6.5mediumNot scored
CVE-2026-53635Not specified7.6highunder 1% · top 87%
CVE-2026-53587Not specified7.5highunder 1% · top 61%
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