CVE-2026-49788: HTTP/2 Denial of Service Vulnerability
Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to deny service over a network.
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Security advisories from 24 sources — CISA, CERT-EU, NCSC-UK, BSI, CERT-FR, NCSC-NL, JPCERT/CC, JVN, HKCERT, the Canadian Cyber Centre, NVD, GitHub, Microsoft, Cisco, Fortinet, Palo Alto Networks and more — normalized, translated to English and flagged against the CISA KEV catalog. One global feed for CSIRTs, SOCs and defenders.
Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to deny service over a network.
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Clip Service allows an authorized attacker to elevate privileges locally.
Improper access control in Azure API Management (APIM) allows an authorized attacker to execute code over a network.
Server-side request forgery (ssrf) in Data Quality allows an unauthorized attacker to elevate privileges over a network.
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
Access of resource using incompatible type ('type confusion') in Composite Image File System Driver allows an authorized attacker to disclose information locally.
Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges over a network.
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to perform tampering locally.
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.
Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a network.
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to elevate privileges with a physical attack.
Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a network.