{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/products/exchange-server-2016-cumulative-update-23--15.01.2507.075/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":8.8,"id":"CVE-2026-96940"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Exchange Server 2016 Cumulative Update 23 (\u003c 15.01.2507.075)","Exchange Server 2019 Cumulative Update 14 (\u003c 15.02.1544.048)","Exchange Server 2019 Cumulative Update 15 (\u003c 15.02.1748.053)","Exchange Server Subscription Edition RTM (\u003c 15.02.2562.053)","Exchange Server (\u003c 9.9.7-P2)"],"_cs_severities":["high"],"_cs_tags":["vulnerability","privilege-escalation","cyber-espionage","critical-infrastructure","botnet","credential-theft","living-off-the-land"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eMicrosoft has disclosed CVE-2026-96940, an elevation of privilege vulnerability affecting several versions of Microsoft Exchange Server, including Exchange Server 2016 Cumulative Update 23, Exchange Server 2019 Cumulative Update 14 and 15, and the Exchange Server Subscription Edition RTM. This vulnerability permits an authenticated attacker to perform unauthorized actions or gain increased permissions within the context of the affected mail server. Given the critical role of Exchange Servers in enterprise communications and their common position within internal networks, this vulnerability poses a significant risk for lateral movement and further exploitation if an attacker has already established a presence within the network. Administrators are advised to review their environment and apply the security updates as provided by Microsoft.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability allows an authenticated user to escalate their privileges, potentially leading to unauthorized access to sensitive mail data, configuration modification, or further compromise of the underlying Windows Server hosting the Exchange environment. This risk is prevalent across organizations utilizing the specified versions of Microsoft Exchange Server.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003ePrioritized, concrete actions for detection engineering teams:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eApply security updates to Microsoft Exchange Server 2016 Cumulative Update 23 (update to 15.01.2507.075 or later).\u003c/li\u003e\n\u003cli\u003eApply security updates to Microsoft Exchange Server 2019 Cumulative Update 14 (update to 15.02.1544.048 or later).\u003c/li\u003e\n\u003cli\u003eApply security updates to Microsoft Exchange Server 2019 Cumulative Update 15 (update to 15.02.1748.053 or later).\u003c/li\u003e\n\u003cli\u003eApply security updates to Microsoft Exchange Server Subscription Edition RTM (update to 15.02.2562.053 or later).\u003c/li\u003e\n\u003cli\u003eMonitor for anomalous account activity or unauthorized elevation of privilege attempts originating from authenticated internal users targeting Exchange management interfaces.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-10-08T18:07:36Z","date_published":"2026-10-06T00:48:48Z","id":"https://feed.craftedsignal.io/briefs/2026-10-exchange-eop/","summary":"CVE-2026-96940 is an elevation of privilege vulnerability in Microsoft Exchange Server that allows authenticated attackers to escalate privileges within the server environment.","title":"Elevation of Privilege Vulnerability in Microsoft Exchange Server","url":"https://feed.craftedsignal.io/briefs/2026-10-exchange-eop/"}],"language":"en","title":"CraftedSignal Threat Feed - Exchange Server 2016 Cumulative Update 23 (\u003c 15.01.2507.075)","version":"https://jsonfeed.org/version/1.1"}