CVE-2026-47635: high-severity vulnerability in Microsoft Office LTSC 2024
Microsoft Outlook and Word Remote Code Execution Vulnerability
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.4epss 0.4%
exploitation probability
0.4%top 71% of all CVEs
observed exploitation
nono source reports it
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Office LTSC 2024Related CVEs — Microsoft Office LTSC 2024
In the same product, most dangerous first.
CVE-2026-21509HIGHMicrosoft Office Security Feature Bypass VulnerabilityEPSS 70.8%KEVCVE-2026-21514HIGHMicrosoft Word Security Feature Bypass VulnerabilityEPSS 1.6%KEVCVE-2024-43504HIGHMicrosoft Excel Remote Code Execution VulnerabilityEPSS 6.5%CVE-2026-21511HIGHMicrosoft Outlook Spoofing VulnerabilityEPSS 4.0%CVE-2025-47994HIGHMicrosoft Office Elevation of Privilege VulnerabilityEPSS 3.3%CVE-2025-27751HIGHMicrosoft Excel Remote Code Execution VulnerabilityEPSS 2.5%