Microsoft Outlook RCE Vulnerability Lets Attackers Execute Code Remotely

Gbhackers •Divya • August 12, 2026

Microsoft has disclosed a new remote code execution (RCE) vulnerability in Outlook, tracked as CVE-2026-70329. They warn that successful exploitation could allow attackers to run malicious code on affected systems. Released on August 11, 2026, this vulnerability has been rated as Important and carries a maximum CVSS 3.1 score of 8.8. The flaw falls under […]

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Microsoft Outlook RCE Vulnerability CVE-2026-70329 Disclosed Microsoft has disclosed a remote code execution (RCE) vulnerability in Outlook, tracked as CVE-2026-70329. This flaw, identified as stemming from an integer overflow issue, allows attackers to execute malicious code on affected systems. Rated as Important, it has a CVSS 3.1 score of 8.8, indicating a high severity level. The vulnerability was published on August 11, 2026, as part of Microsoft's Patch Tuesday rollout. Users of Microsoft Office Outlook are urged to apply the necessary patches to mitigate potential exploitation. The scope of impact includes all versions of Outlook that are vulnerable to this flaw. No active exploitation has been reported at this time, but the potential for serious consequences remains. 4 sources 65

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Microsoft Outlook RCE Vulnerability Lets Attackers Execute Code Remotely

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Extracted Entities

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