- Description
- Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
- Source
- secure@microsoft.com
- NVD status
- Analyzed
- Products
- windows_10_1607, windows_10_1809, windows_10_21h2, windows_10_22h2, windows_11_23h2, windows_11_24h2, windows_11_25h2, windows_11_26h1, windows_server_2012, windows_server_2016, windows_server_2019, windows_server_2022, windows_server_2025
CVSS 3.1
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
- secure@microsoft.com
- CWE-122
- Hype score
- Not currently trending
🚨 June Microsoft Patch Tuesday: 202 vulns fixed 🛠 — 💥 public exploits: HTTP.sys RCE (CVE-2026-47291) + DoS (CVE-2026-49160); notable: BitLocker SFB, Secure Boot SFB, Kernel RCE, DHCP RCE. #PatchTuesday #Microsoft #Windows #Vulristics ➡️ https://t.co/NF1rbexJ2z http
@leonov_av
19 Jun 2026
59 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
CVE-2026-49160 & CVE-2026-47291 PoC https://t.co/h4IHLCTAYD #CVE_2026_47291_poc #CVE_2026_49160_poc #rce #dos #overflow #microsoft #cve
@ninjakiii
16 Jun 2026
156 Impressions
0 Retweets
3 Likes
0 Bookmarks
0 Replies
0 Quotes
Microsoft、2026年6月定例パッチで史上最多206件の脆弱性を修正-3件のゼロデイや危険な脆弱性含む(CVE-2026-50507,CVE-2026-45586,CVE-2026-47291,CVE-2026-49160) https://t.co/CpGVUObyFk #セキュリティ対策Lab #security #securitynews
@securityLab_jp
11 Jun 2026
114 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
Attackers are chaining HTTP.sys exploits (CVE-2026-47291) with Active Directory privilege escalation (CVE-2026-45648) to achieve full domain compromise. TRC analysis shows lateral movement across networks after initial web server breach. Runtime segmentation helps contain
@aviatrixtrc
10 Jun 2026
53 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
🚨 Microsoft June 2026 Patch Tuesday just dropped — RECORD 206 CVEs (39 Critical). • CVE-2026-45657 (CVSS 9.8) • CVE-2026-47291 (CVSS 9.8) • CVE-2026-45586 (CVSS 9.8) Plus 3 zero-days (BitLocker bypass + HTTP/2 Bomb). #PatchTuesday #CyberSecurity #CISO https://t.co/v
@Erwin_Mike_S
10 Jun 2026
74 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
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