{"id":"CVE-2026-108453","title":"Microsoft Office PowerPoint Information Disclosure Vulnerability","summary":"Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-125"],"vendor":"Microsoft","product":"Microsoft 365 Apps for Enterprise","affected":["365_apps_for_enterprise >= 16.0.1 < https://aka.ms/OfficeSecurityReleases","office_365_for_mac >= 1.0.0 < 16.114.26101123","office_ltsc_2021 >= 16.0.1 < 16.0.14334.20974","office_ltsc_2024 >= 16.0.0 < 16.0.17932.21056","office_ltsc_for_mac_2021 >= 16.0.1 < 16.114.26101123","office_ltsc_for_mac_2024 >= 16.0.0 < 16.114.26101123"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T01:02:15.578601Z"},"published":"2026-10-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T23:14:44.860Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108453","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108453","label":"Microsoft Office PowerPoint Information Disclosure Vulnerability"}],"tags":["cve.org"],"epss":0.00525,"epssPercentile":0.43237,"ingestedAt":"2026-10-15T21:45:11.413Z","slug":"CVE-2026-108453","body":"## Overview\n\nOut-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.\n\n## Affected\n\n- `365_apps_for_enterprise >= 16.0.1 < https://aka.ms/OfficeSecurityReleases`\n- `office_365_for_mac >= 1.0.0 < 16.114.26101123`\n- `office_ltsc_2021 >= 16.0.1 < 16.0.14334.20974`\n- `office_ltsc_2024 >= 16.0.0 < 16.0.17932.21056`\n- `office_ltsc_for_mac_2021 >= 16.0.1 < 16.114.26101123`\n- `office_ltsc_for_mac_2024 >= 16.0.0 < 16.114.26101123`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}