What is CVE-2026-49160?

CVE-2026-49160 is a high-severity vulnerability in Microsoft Windows_10_1607, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-09.

How severe is CVE-2026-49160?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Microsoft Windows_10_1607

CVE-2026-49160

Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Microsoft Windows_10_1607
Microsoft Windows_10_1809
Microsoft Windows_10_21h2
Microsoft Windows_10_22h2
Microsoft Windows_11_23h2
Microsoft Windows_11_24h2
Microsoft Windows_11_25h2
Microsoft Windows_11_26h1
Microsoft Windows_server_2016
Microsoft Windows_server_2019

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

secure@microsoft.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-49160?: CVE-2026-49160 is a high-severity vulnerability in Microsoft Windows_10_1607, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-09.
How severe is CVE-2026-49160?: High severity. CVSS v3 base score is 7.5 out of 10.