CVE tracker — Exploitation, versions & score history

Scroll across the table to compare exploitation and severity.

Matching CVEs and exploitation evidence. CVSS measures reported severity. Unknown scores are not zero.
CVE / vulnerability	Exploitation	CVSS
CVE-2021-31166 HTTP Protocol Stack Remote Code Execution Vulnerability Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2 Versions & vendor guidance →	Known exploitedCISA KEV	9.8Critical
CVE-2021-31010 Apple iOS, macOS, watchOS Sandbox Bypass Vulnerability Apple macOS, Apple watchOS Versions & vendor guidance →	Known exploitedCISA KEV	7.5High
CVE-2021-30983 Apple iOS and iPadOS Buffer Overflow Vulnerability Apple iOS and iPadOS Versions & vendor guidance →	Known exploitedCISA KEV	7.8High
CVE-2021-30952 Apple Multiple Products Integer Overflow or Wraparound Vulnerability Apple watchOS, Apple iOS and iPadOS, Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30900 Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability Apple iOS and iPadOS Versions & vendor guidance →	Known exploitedCISA KEV	7.8High
CVE-2021-30883 Apple Multiple Products Memory Corruption Vulnerability Apple iOS and iPadOS, Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	7.8High
CVE-2021-30869 Apple iOS, iPadOS, and macOS Type Confusion Vulnerability Apple iOS and iPadOS, Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	7.8High
CVE-2021-30860 Apple Multiple Products Integer Overflow Vulnerability Apple macOS, Apple watchOS, Apple iOS Versions & vendor guidance →	Known exploitedCISA KEV	7.8High
CVE-2021-30858 Apple iOS, iPadOS, macOS Use-After-Free Vulnerability Apple macOS, Apple iOS Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30807 Apple Multiple Products Memory Corruption Vulnerability Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	7.8High
CVE-2021-30762 Apple iOS WebKit Use-After-Free Vulnerability Apple iOS Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30761 Apple iOS WebKit Memory Corruption Vulnerability Apple iOS Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30713 Apple macOS Unspecified Vulnerability Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	7.8High
CVE-2021-30666 Apple iOS WebKit Buffer Overflow Vulnerability Apple iOS Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30665 Apple Multiple Products WebKit Memory Corruption Vulnerability Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30663 Apple Multiple Products WebKit Integer Overflow Vulnerability Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	7.8High
CVE-2021-30661 Apple Multiple Products WebKit Storage Use-After-Free Vulnerability Apple iOS and iPadOS, Apple Safari, Apple tvOS, Apple watchOS, Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30657 Apple macOS Unspecified Vulnerability Apple macOS Versions & vendor guidance →	Known exploitedCISA KEV	5.5Medium
CVE-2021-30633 Google Chromium Indexed DB API Use-After-Free Vulnerability Google Chrome Versions & vendor guidance →	Known exploitedCISA KEV	9.6Critical
CVE-2021-30632 Google Chromium V8 Out-of-Bounds Write Vulnerability Google Chrome Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30563 Google Chromium V8 Type Confusion Vulnerability Google Chrome Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30554 Google Chromium WebGL Use-After-Free Vulnerability Google Chrome Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30551 Google Chromium V8 Type Confusion Vulnerability Google Chrome Versions & vendor guidance →	Known exploitedCISA KEV	8.8High
CVE-2021-30533 Google Chromium PopupBlocker Security Bypass Vulnerability Google Chrome Versions & vendor guidance →	Known exploitedCISA KEV	6.5Medium
CVE-2021-30116 Unauthenticated credential leak and business logic flaw in Kaseya VSA <= v9.5.6 n/a n/a Reported fix guidance →	Known exploitedCISA KEV	10Critical

Data sources, freshness & score definitions

The full downloaded KEV catalog is tracked, alongside CVEs found in monitored sources. This is not the entire CVE universe. CVE record enrichment rotates in bounded batches; missing fields remain unknown.

CISA KEV: checked 13 Nov 2026, 00:20 Jerusalem · 1779 records

CVE Program: checked 13 Nov 2026, 00:20 Jerusalem · 117 records · 3 records unavailable

FIRST EPSS: checked 13 Nov 2026, 00:20 Jerusalem · 2223 records

CVSS describes reported technical severity. EPSS estimates exploitation probability in the next 30 days. KEV inclusion records known exploitation, not whether your own systems are exposed.