Patch Sonar

Zero-days under active attack, explained in plain English

Zero-day report: June 2023

CISA added 24 exploited vulnerabilities to its catalog in June 2023, 5 more than May (19). 7 were zero-days, listed within a week of going public. 2 are known to be used by ransomware. The most-hit vendor was Samsung, with 6.

24exploited flaws added
7zero-days
2used by ransomware
11vendors affected

By technology

Most-hit vendors

Every flaw added in June 2023

← May 2023July 2023 →

Source: CISA's Known Exploited Vulnerabilities catalog, by the date CISA added each flaw. Ransomware use is CISA's flag.