{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/office-powerpoint/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.1,"id":"CVE-2026-41102"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Office PowerPoint"],"_cs_severities":["medium"],"_cs_tags":["access-control","spoofing","ms-office"],"_cs_type":"threat","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eCVE-2026-41102 describes an improper access control vulnerability affecting Microsoft Office PowerPoint. An authorized, local attacker can exploit this vulnerability to perform spoofing actions. The vulnerability exists due to insufficient checks on access rights within the application. Successful exploitation could allow the attacker to potentially mislead users or gain unauthorized privileges within the PowerPoint environment. Microsoft has released a patch to address this vulnerability, and users are urged to update their software to the latest version. This issue was publicly disclosed and assigned a CVSS v3.1 score of 7.1, indicating a high severity.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains local access to a system with a vulnerable version of Microsoft PowerPoint installed.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious PowerPoint file or modifies an existing one.\u003c/li\u003e\n\u003cli\u003eThe crafted file leverages the improper access control vulnerability (CVE-2026-41102) to manipulate application behavior.\u003c/li\u003e\n\u003cli\u003eA legitimate user opens the malicious PowerPoint file.\u003c/li\u003e\n\u003cli\u003eDue to the access control flaw, the attacker\u0026rsquo;s crafted content spoofs legitimate elements of the PowerPoint interface or functionality.\u003c/li\u003e\n\u003cli\u003eThe spoofed elements mislead the user into performing unintended actions, such as providing credentials or executing malicious code.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves their objective of spoofing application behavior for malicious purposes.\u003c/li\u003e\n\u003cli\u003eThe impact is limited to the local machine and user context.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-41102 allows a local attacker to spoof elements within Microsoft PowerPoint. This spoofing could mislead users into divulging sensitive information or performing actions that compromise their local system. While the vulnerability does not lead to remote code execution or denial of service, the potential for social engineering attacks makes it a significant concern. The CVSS v3.1 base score of 7.1 reflects the high confidentiality and integrity impact on the local system.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the security update released by Microsoft to patch CVE-2026-41102 in Microsoft Office PowerPoint.\u003c/li\u003e\n\u003cli\u003eEducate users about the risks of opening untrusted PowerPoint files from unknown sources.\u003c/li\u003e\n\u003cli\u003eMonitor endpoint logs for suspicious PowerPoint activity using the Sigma rule provided to detect potential exploitation attempts.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-12T18:52:14Z","date_published":"2026-05-12T18:52:14Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-41102-powerpoint-spoofing/","summary":"CVE-2026-41102 is an improper access control vulnerability in Microsoft Office PowerPoint that allows an authorized attacker to perform spoofing locally.","title":"CVE-2026-41102: Microsoft PowerPoint Improper Access Control Vulnerability Leading to Local Spoofing","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-41102-powerpoint-spoofing/"}],"language":"en","title":"CraftedSignal Threat Feed — Office PowerPoint","version":"https://jsonfeed.org/version/1.1"}