Patch Sonar

Zero-days under active attack, explained in plain English

Zero-day report: September 2024

CISA added 25 exploited vulnerabilities to its catalog in September 2024, 6 more than August (19). 6 were zero-days, listed within a week of going public. 4 are known to be used by ransomware. The most-hit vendor was Microsoft, with 5.

25exploited flaws added
6zero-days
4used by ransomware
13vendors affected

By technology

Most-hit vendors

Every flaw added in September 2024

← August 2024October 2024 →

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