CVE-2026-49160
HTTP.sys Denial of Service Vulnerability
Published: Jun 9, 2026Updated: Jun 10, 2026 Sources: CVE List NVD
7.5CVSS
HIGHUncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
EPSS Score
1.3%
Top 19.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
and 23 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
1 technique Impact
References
Timeline
Published
Jun 9, 2026
Last Updated
Jun 10, 2026
News mentions
12- Microsoft исправила более 200 уязвимостей и шесть 0-day в своих продуктахru-ru·Хакер (xakep.ru)· Source-only·
- Microsoft Patches Record 206 Flaws, Including Three Zero-Days and Critical RCE Bugsen·The Hacker News· Summary only·
- Microsoft Patch Tuesday Fixes Address Critical Zero-Day Flawsen-us·Daily CyberSecurity (securityonline.info)· Summary only·
- A Record-Breaking Patch Tuesday for June 2026en-us·Krebs on Security· Source-only·
- Blame AI: Patch Tuesday Hits Record 206 CVEsen·Dark Reading· Source-only·
- Microsoft Patch Tuesday for June 2026 — Snort rules and prominent vulnerabilitiesen·Cisco Talos·
- Rapid7en·Rapid7 Blog·
- Microsoft and Adobe Patch Tuesday, June 2026 Security Update Reviewen-us·Qualys Security Blog·
- Microsoft Patches 200 Vulnerabilitiesen-us·SecurityWeek· Summary only·
- Microsoft June 2026 Patch Tuesday fixes 3 zero-day, 200 flawsen-us·BleepingComputer· Summary only·
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