{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/informational/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"id":"CVE-2026-64191"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":[],"_cs_severities":["low"],"_cs_tags":["vulnerability","patch-management","informational"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eMicrosoft has published an informational update regarding CVE-2026-64191, a vulnerability related to the i2c stub within their products. The vulnerability specifically concerns the rejection mechanism for I2C block transfers that contain invalid lengths. At this time, the published information serves as an initial notification, indicating that Microsoft is addressing or has addressed an issue where the i2c stub may not correctly handle malformed I2C block transfer requests. Further details on potential exploitation scenarios, affected versions, or a detailed patch are not immediately available within this brief. This update is primarily for awareness purposes, signifying that an investigation or fix for this specific I2C-related component is underway or completed, and users should anticipate further guidance or patches in due course.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eThe immediate impact from this brief is informational, as the provided source primarily serves as a notification regarding CVE-2026-64191. Without further details on the vulnerability's nature or observed exploitation, the concrete damage, number of victims, or targeted sectors are currently unknown. Typically, issues related to low-level communication protocols like I2C could potentially be leveraged for denial-of-service, privilege escalation, or data integrity issues if an attacker gains local or physical access to a vulnerable system, but such specifics are not available in this advisory.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor the Microsoft Security Response Center (MSRC) for further updates and a potential security patch release concerning CVE-2026-64191.\u003c/li\u003e\n\u003cli\u003eApply any forthcoming security updates or patches for affected Microsoft products that address CVE-2026-64191 as soon as they become available.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-22T07:39:14Z","date_published":"2026-07-22T07:39:14Z","id":"https://feed.craftedsignal.io/briefs/2026-07-information-cve-2026-64191/","summary":"Information has been published regarding CVE-2026-64191, which addresses an issue in the i2c stub related to rejecting I2C block transfers with invalid lengths.","title":"Information Published for CVE-2026-64191","url":"https://feed.craftedsignal.io/briefs/2026-07-information-cve-2026-64191/"}],"language":"en","title":"CraftedSignal Threat Feed - Informational","version":"https://jsonfeed.org/version/1.1"}