Latest zero-days Total: 474, in 2021: Zero-days 1, candidates: 0

Remote code execution in Microsoft Defender
CVE-2021-1647

Authentication bypass in SolarWinds Orion API
CVE-2020-10148

SUPERNOVA


Backdoor in SolarWinds Orion Platform

Behavior:Win32/Solorigate.C!dha

State-backed hackers are targeting government entities and private businesses all over the world in a global supply chain attack, in which they deploy a malicious SolarWinds update to compromise networks, according to a new report from the cybersecurity firm FireEye.

Improper access control in Easy WP SMTP plugin for WordPress

This vulnerability allows a remote attacker to reset admin account passwords. 

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.