{"vulnerability": "CVE-2026-83869", "sightings": [{"uuid": "6c8523f3-011d-412d-8e7d-7d2bc8c2f6ce", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-83869", "type": "seen", "source": "https://bsky.app/profile/shiojiri.com/post/3mxxze4274ssu", "content": "Windows DNS\u306e\u8106\u5f31\u6027\u60c5\u5831\u304c\u516c\u958b\u3055\u308c\u307e\u3057\u305f\uff08CVE-2026-83869\u3001\u4ed657\u4ef6\uff09 https://jprs.jp/tech/security/2026-10-16-windowsdns.html", "creation_timestamp": "2026-10-16T07:09:09.348733Z"}, {"uuid": "88bb431c-d905-4e71-bc4f-df29901fd00a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-83869", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3my2ytovq6v2u", "content": "\ud83d\udccc CVE-2026-83869 - Integer underflow (wrap or wraparound) in DNS Server allows an unauthorized attacker to execute code over a network. https://www.cyberhub.blog/cves/CVE-2026-83869", "creation_timestamp": "2026-10-17T11:37:07.042372Z"}, {"uuid": "434a69c5-2a71-4e05-978b-e575c43616a7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-83869", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mxrturq5db2w", "content": "\ud83d\udea8 CVE-2026-83869 \u2014 CVSS 9.8 CRITICAL\n\nInteger underflow (wrap or wraparound) in DNS Server allows an unauthorized attacker to execute code over a...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-83869\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-10-13T20:14:17.463261Z"}, {"uuid": "7cd522bf-0873-42b9-9284-4efd5ea9e7eb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-83869", "type": "seen", "source": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0423", "content": "", "creation_timestamp": "2026-10-13T11:49:46.000000Z"}, {"uuid": "f611e865-7f65-4cb5-87e5-264f2e3f0a75", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-83869", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mxs55axgm52o", "content": "CVE-2026-83869 - windows 10 version 1607\nThe DNS service in certain Windows 10 and Windows 11 versions can be tricked into running malicious programs over the network. An attacker could gain control of the affected\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#microsoft #CVE #infosec", "creation_timestamp": "2026-10-13T23:00:05.308501Z"}, {"uuid": "c4adeb2d-8d90-4b02-8170-44e84c6f8181", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-83869", "type": "seen", "source": "https://infosec.exchange/users/cve/statuses/117437632782924927", "content": "CVE-2026-83869 Windows  Domain Name Service Remote Code Execution Vulnerability Integer underflow (wrap or wraparound) in DNS Server allows an unauthorized attacker to execute code over a network.\nhttps://www.cve.org/CVERecord?id=CVE-2026-83869https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83869#Microsoft #Windows10Version1607 #Windows10Version1809 #Windows10Version21H2 #Windows10Version22H2 #Windows11version23H2 #Windows11Version23H2 #Windows11Version24H2 #Windows11Version25H2 #Windows11version26H1 #Windows11Version26H2 #WindowsServer2012 #WindowsServer2012(ServerCoreinstallation) #WindowsServer2012R2 #WindowsServer2012R2(ServerCoreinstallation) #WindowsServer2016 #WindowsServer2016(ServerCoreinstallation) #WindowsServer2019 #WindowsServer2019(ServerCoreinstallation) #WindowsServer2022 #WindowsServer2025 #WindowsServer2025(ServerCoreinstallation)#CVE_2026_83869#bot", "creation_timestamp": "2026-10-14T05:34:27.296339Z"}, {"uuid": "679267f6-7d21-48db-bb73-6dc04ed923eb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-83869", "type": "seen", "source": "https://www.acn.gov.it/portale/w/aggiornamenti-mensili-microsoft-25", "content": "", "creation_timestamp": "2026-10-14T01:49:33.000000Z"}]}