In September 2026, Insikt Group® identified 94 high-impact vulnerabilities to prioritize for remediation, 59 of which had a Very Critical Recorded Future Risk Score. This represents a 29% increase from last month.
September 2026 CVE Landscape
About this summary. This is a short, independently written summary of an article first published by Recorded Future. Cyber Security News did not report or verify the underlying story. Read the original: https://www.recordedfuture.com/blog/september-2026-cve-landscape
Source attribution: headline and facts are from Recorded Future (recordedfuture.com). Summary method: excerpt of the source description. See our source attribution policy.
Related coverage
WHIPSHOT and SLAPSHOT: the tools behind an active Citrix NetScaler campaign
Mandiant and GTIG detail active exploitation of a Citrix NetScaler zero-day, deploying custom web shells WHIPSHOT and SLAPSHOT for root access. Mandiant and Google…
Attackers exploited Citrix NetScaler zero-day for at least three weeks undetected
Attackers remained undetected for more than three weeks as they exploited a critical zero-day vulnerability affecting Citrix NetScaler appliances en masse. The earliest…
Custom malware used in Citrix 0-day attacks targeting govt, banks, professional services
The public still doesn’t know who is abusing a critical Citrix vulnerability exploited as a zero-day weeks before disclosure, but we now know that the unknown digital…
Defending Against Active Exploitation of Citrix NetScaler ADC and Gateway Appliances
Introduction In late September 2026, Mandiant Consulting and Google Threat Intelligence Group (GTIG) identified active, in-the-wild exploitation of a zero-day…
ShinyHunters Extorted Boeing Spin-off Prior to Arrests
A teenager from Amman, Jordan suspected of leading the prolific data theft and extortion group ShinyHunters has been detained and is reportedly cooperating with the FBI…
Week in review: Researcher breaks into Microsoft analytics service, NetScaler RCE 0-day exploited
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: 16-year-old researcher breaks into Microsoft analytics service with…