- Published
- Source
- SecurityWeek
- Filed under
- Microsoft, Attacks, Malware & exploits
- Vulnerabilities
- 1 CVE Exploited
CISA added CVE-2026-65660 to its KEV catalog, giving federal agencies a patching deadline of September 28.
If you run the affected product
- Find every instance – especially the ones reachable from the internet.
- Apply the vendor's patch or mitigation now: exploited flaws are fixed in days, not at the next patch cycle.
- Then check for signs it was used before you patched: web shells, new accounts, unusual outbound traffic.
More helpCISA's Known Exploited Vulnerabilities catalogue (opens in a new tab)
The vulnerabilities in this story
CVE-2026-65660 in the NVD (opens in a new tab)
- CVSS8.8High
- EPSS2.1%chance of exploitation in 30 days
- CISA KEVExploitedon the list since 25 Sep
Exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog (CC0). Exploit prediction: EPSS by FIRST. This product uses the NVD API but is not endorsed or certified by the NVD.
MyCyberWay training
Microsoft SC-200 exam training
Defender and Sentinel in the headlines? That's the SC-200 toolkit.
Tutor-led SC-200 preparation: running security operations in Microsoft Sentinel and Defender XDR, responding to incidents across identity, endpoint, email and cloud, and threat hunting with KQL.
- Microsoft Sentinel and Defender XDR
- Incident response across Microsoft 365
- Threat hunting with KQL
Headlines and short summaries only, except where a public body publishes under an open licence. Every story links to its publisher, who owns it. MyCyberWay does not edit or endorse third-party reporting.
