Vulnerability Report

CVE-2026-49160

Title: HTTP/2 Uncontrolled Resource Consumption DoS

DoS

Proof Of Concept

PoC Available for CVE-2026-49160

CWE Category CWE-400

Published Date Jun 09, 2026

Modified Date Jun 10, 2026

Exploit Status Available

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

0.97%

Vulnerability Summary

CVE-2026-49160: Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.

Impacted Vendors

microsoft 12

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49160

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-49160 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/dhmosfunk/CVE-2026-49160-HTTP.sys

View Code

GitHub https://github.com/dhmosfunk/CVE-2026-49160-CVE-2026-47291-HTTP.sys

View Code

June 10, 2026 MODIFIED

Vulnerability data updated via NVD.

June 09, 2026 MODIFIED

Vulnerability data updated via NVD.

June 09, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.