CVE-2026-10536: HTTP/2 stream-dependency tree UAF
CSIRTS triage
- What
- A critical vulnerability related to HTTP/2 stream-dependency tree.
- Who is affected
- Affected systems using HTTP/2 are at risk.
- Urgency
- Remediation is critical due to high severity and potential for exploitation.
- Action
- Apply necessary updates as they become available.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-10536
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-105360.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-10536 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- medium[UPDATE] [medium] cURL: Multiple vulnerabilitiescert-bund
- unknownMultiple vulnerabilities in Microsoft Azure Linux (July 15, 2026)cert-fr-avis
- unknownUSN-8525-1: curl vulnerabilitiesubuntu
- criticalCVE-2026-10536: A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stre…nvd
- unknownMultiple vulnerabilities in cURL and libcurl (June 24, 2026)cert-fr-avis
More from Microsoft Security Response Center
- lowCVE-2026-14673: PostgreSQL amcheck does not clear untrusted search path2026-08-11
- criticalCVE-2026-69836: Microsoft Entra ID Remote Code Execution Vulnerability2026-08-11
- mediumCVE-2026-53792: rsync < 3.5.0 Out-of-Bounds Read via Zero-Length Checksum Block2026-08-11
- highCVE-2026-70347: Windows Installer Elevation of Privilege Vulnerability2026-08-11
- highCVE-2026-64909: Microsoft Office Remote Code Execution Vulnerability2026-08-11