Vulnerabilities & CVEs

Software flaws hackers are using right now

Affected vendorsCVESeverityChance of attack
Microsoft

Skype For Business Server

CVE-2026-663086.5Mediumunder 1%top 52% of all flaws
Microsoft

Skype For Business Server

CVE-2026-663077.5Highunder 1%top 51% of all flaws
Microsoft

Skype For Business Server

CVE-2026-663066.5Mediumunder 1%top 58% of all flaws
Microsoft

Skype For Business Server

CVE-2026-663057.1Highunder 1%top 77% of all flaws
Microsoft

Skype For Business Server

CVE-2026-663047.5Highunder 1%top 48% of all flaws
Microsoft

Skype For Business Server

CVE-2026-663036.5Mediumunder 1%top 46% of all flaws
Microsoft

Skype For Business Server

CVE-2026-663029.8CriticalNot scored
Vendor not namedCVE-2026-663005.0Mediumunder 1%top 92% of all flaws
Apache

Tomcat

CVE-2026-662995.3Mediumunder 1%top 56% of all flaws
Vendor not namedCVE-2026-66280Not scoredNot scored

About this tracker

1,728
Flaws used in attacks
7
Added in the last 7 days
2
Fix deadline within 7 days
361
Used by ransomware gangs