CVE-2026-97830
Windows Internet Information Services Denial of Service vulnerability
MSRC advisory October 13, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-97830
- Affected products
- Windows Internet Information Services Denial of Service · Microsoft Windows Internet Information Services Denial of Service · Microsoft
What happened
<p>Double free in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.</p>
What it means for your business
Windows Internet Information Services Denial of Service vulnerability (CVE-2026-97830) was added to Microsoft’s security update guidance. <p>Double free in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.</p> If you need help checking exposure, call (864) 335-9223.
EPSS probability
0.87%
Sources
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