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CVE-2025-62557 is a use-after-free vulnerability in Microsoft Office document parsing that allows an unauthorized attacker to execute arbitrary code locally within the affected Office process. A specially crafted document or email can trigger the vulnerability when parsed or previewed. Outlook's Preview Pane is an attack vector, allowing exploitation without explicitly opening an attachment or clicking a link. Other delivery paths involve malicious links and social engineering. The precise vulnerable function is not identified.
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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.
25 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical remote code execution vulnerability in Microsoft Office that can be exploited via the Outlook preview pane, allowing code execution with no user interaction. Exploitation is considered less likely, but the attack vector is significant.
A critical remote code execution vulnerability in Microsoft Office that can be exploited via the Preview Pane, potentially allowing code execution without user interaction.
A Microsoft Outlook remote code execution vulnerability caused by a use-after-free, potentially triggerable via a malicious link/email and in worst case without user interaction.
A Microsoft Outlook remote code execution vulnerability caused by a use-after-free condition, potentially triggerable via malicious links/emails (including a no-user-interaction worst case as described).
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.