Multiple Microsoft Excel Remote Code Execution Flaws Added to MSRC Update Guide
Vulnerability Disclosure · 9 sources · Updated 4mo ago · First seen May 25, 2026

Microsoft added several Microsoft Excel Remote Code Execution entries to its Security Update Guide, including CVE-2025-62556, CVE-2025-62564, CVE-2025-54896, and CVE-2025-59233. The advisories identify the affected product as Microsoft Excel and classify each issue as a remote code execution vulnerability, indicating that successful exploitation could allow arbitrary code to run in the context of the targeted application.
The referenced entries were published across multiple update cycles in 2025, with CVE-2025-54896 appearing in September, CVE-2025-59233 in October, and CVE-2025-62556 and CVE-2025-62564 in December. Microsoft provided the vulnerabilities through its MSRC Security Update Guide, but the referenced records did not include public synopses in the source material, leaving the CVE identifiers and product classification as the primary confirmed details.


