CVE Tracker: vulnerabilities by vendor, severity and exploitation status

CVE Tracker

4 records

Every published CVE from the last 120 days with CVSS score, vendor and product, cross-referenced against CISA's Known Exploited Vulnerabilities catalog. 10 added to KEV in the last 7 days.

SeverityAll critical high medium lowExploitedIn CISA KEV

CVE	CVSS	EPSS	KEV sources	Patch window	Vendor / product	Summary	Published
CVE-2026-7838	8.8	—	—	—	uvnc / ultravnc	UltraVNC viewer through 1.8.2.2 contains an integer overflow leading to a heap buffer overflow in the RFB protocol	67d ago
CVE-2026-7831	7.6	—	—	—	uvnc / ultravnc	UltraVNC viewer through 1.8.2.2 contains an off-by-one stack buffer overflow in the RFB ServerInit message handler.	67d ago
CVE-2026-7830	7.4	—	—	—	uvnc / ultravnc	UltraVNC through 1.8.2.2 uses inadequate cryptography in the MS-Logon II authentication scheme (rfbUltraVNC_MsLogon	67d ago
CVE-2026-7829	7.2	—	—	—	uvnc / ultravnc	UltraVNC repeater through 1.8.2.2 contains a post-authentication out-of-bounds write in the allow/deny rule parser.	67d ago

Sources: NIST National Vulnerability Database (descriptions, CVSS, CPE); CISA KEV, ENISA EUVD, CIRCL and VulnCheck (exploitation status, three catalogues counted; CIRCL shown as an aggregator); FIRST EPSS (exploitation probability). Patch window is the gap between CVE publication and the earliest KEV listing, so a negative value means a catalogue called it exploited before it was disclosed. Data refreshes every five hours.

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CVE Tracker