CVE-2026-49160
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
CSIRTS triage
- What
- This vulnerability allows an unauthorized attacker to deny service over a network.
- Who is affected
- Users of HTTP.sys are affected.
- Urgency
- Remediation is urgent due to the high severity of the vulnerability.
- Action
- Apply the latest security updates from Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Elevated exploitation risk48.4% 30-day exploitation probability — well above the norm. Schedule remediation this cycle. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-49160: HTTP.sys Denial of Service Vulnerabilitymsrc · 2026-06-09
External references
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