Microsoft is addressing 67 vulnerabilities this June 2025 Patch Tuesday. Microsoft has evidence of in-the-wild exploitation for just one of the vulnerabilities published today, and that is reflected in CISA KEV.
Separately, Microsoft is aware of existing public disclosure for one other freshly published vulnerability. Microsoft’s luck holds for a ninth consecutive Patch Tuesday, since neither of today’s zero-day vulnerabilities are evaluated as critical severity at time of publication. Today also sees the publication of eight critical remote code execution (RCE) vulnerabilities.
Read more…
Source: Rapid7
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- Iran claims US used backdoors to knock out networking equipment during war
April 21, 2026
Iranian media is claiming that the US used backdoors and/or botnets to disable networking equipment during the current war, and Chinese state media is dining out on the allegations. Reports from Iran claim hardware made by Cisco, Juniper, Fortinet, and MikroTik either rebooted or disconnected during recent attacks on Iran – despite the regime disconnecting the ...
- Microsoft releases Windows Server update fix to fix its April update fixes
April 20, 2026
Microsoft has pushed out an out-of-band update to address the restart loop that hit some Windows Server devices after its April update. The fix will spare administrators the headache of forced server restarts after installing the April 2026 update. (A reminder that deploying any Microsoft update directly to production without thorough testing is, to put it ...
- NIST changes enrichment process for National Vulnerability Database due to surge in CVE submissions
April 20, 2026
The number of reported vulnerabilities has surged so sharply that it forced the National Institute of Standards and Technology (NIST) to change how it ‘enriches’ each entry. Until now, NIST would take a basic CVE record and add structured analysis, to make it more useful in the National Vulnerability Database (NVD). That usually includes severity scoring ...
- Tracking Mirai Variant Nexcorium: A Vulnerability-Driven IoT Botnet Campaign
April 17, 2026
IoT devices are increasingly prime targets for large-scale attacks due to their widespread use, lack of patching, and often weak security settings. Threat actors continue exploiting known vulnerabilities to gain initial access and deploy malware that can persist, spread, and cause distributed denial-of-service (DDoS) attacks. FortiGuard Labs has analyzed a recent campaign exploiting CVE-2024-3721 in TBK ...
- Cisco tells Webex users to patch critical security flaws immediately
April 17, 2026
Cisco has pushed a new patch to address four critical-severity vulnerabilities plaguing its cloud-based Webex Services platform – and has also warned Wi-Fi access points users of a bug in certain versions of IOS XE that could result in a device bootloop. Webex Services is a platform for communication and collaboration, letting people hold video meetings, ...
- Disgruntled researcher releases second major Windows zero-day
April 17, 2026
The same disgruntled researcher who recently disclosed a zero-day vulnerability in Windows has now done it again, this time targeting Microsoft Defender, the operating system’s native antivirus solution. A researcher with the alias “Chaotic Eclipse” has posted a proof-of-concept (PoC) exploit for a vulnerability they named “RedSun”. It is a local privilege escalation flaw that allows ...