- Description
- Heap-based buffer overflow in Windows DHCP Server 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_server_2012, windows_server_2016, windows_server_2019, windows_server_2022, windows_server_2025
CVSS 3.1
- Type
- Secondary
- 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
🚨Upozorňujeme na zranitelnost ve Windows DHCP Server, CVE-2026-56159. Jedná se o zranitelnost, která umožňuje vzdálené spuštění kódu (RCE). Neautentizovaný vzdálený útočník může zasláním speciálně upraveného paketu na DHCP server vyvolat přetečení vy
@GOVCERT_CZ
22 Jul 2026
479 Impressions
3 Retweets
5 Likes
2 Bookmarks
0 Replies
0 Quotes
Windows DHCP Server RCE confirmed 🌐 CVE-2026-56159 is a heap overflow enabling unauthenticated remote code execution. Affects Windows 10 and Server 2012, 2012 R2, 2016, 2019, 2022 & 2025. Patch now. #Microsoft #cybersecurity https://t.co/rtzesvdsHD https://t.co/VXiXYgCUce
@SecAlertsCo
16 Jul 2026
144 Impressions
0 Retweets
2 Likes
1 Bookmark
0 Replies
1 Quote
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