CVE-2026-47291
9.8 CRITICALInteger overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network
Published: 2026-06-09 · Last updated: 2026-06-09
Severity and scoring
- CVSS
- 9.8 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-122, CWE-190
Description
Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
Source: NVD
References
Related CVEs
Same CWE
- CVE-2025-66280 — An integer overflow or wraparound vulnerability has been reported to affect several QNAP operating system versions
- CVE-2026-45542 — ESF-IDF is the Espressif Internet of Things (IOT) Development Framework (7.1 HIGH)
- CVE-2026-34711 — CAI Content Credentials versions c2pa-web@0.7.1, c2pa-v0.80.1 and earlier are affected by an Integer Overflow or Wraparound vulnerability (7.5 HIGH)
- CVE-2026-48292 — Format Plugins versions 1.1.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code ... (7.8 HIGH)
- CVE-2026-48291 — Format Plugins versions 1.1.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code ... (7.8 HIGH)