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CVE-2025-62199 is a remote code execution vulnerability in Microsoft Office caused by a use-after-free condition. The flaw arises from reuse of deallocated memory during Office document processing, allowing crafted content to corrupt memory and redirect execution flow. Exploitation is associated with malicious Office documents and can be triggered when a user opens specially crafted content. Available reporting also indicates the Preview Pane can act as an attack vector, increasing exposure in mail-handling workflows. The vulnerability is rated CVSS 3.1 7.8 and affects Microsoft Office applications and related Office deployments addressed in Microsoft’s November 2025 security updates.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remote code execution vulnerability in Microsoft Office.
A Microsoft remote code execution vulnerability that Microsoft addressed in its November 2025 Patch Tuesday, mentioned to contrast with an alleged unpatched Office 0-day.
A use-after-free vulnerability in Microsoft Office that could enable remote code execution via malicious documents.
A use-after-free vulnerability in Microsoft Office that could enable remote code execution via malicious documents.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.