CVE-2026-78519
HighCVSS 8.8Summary
Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Risk Assessment
An attacker could exploit the vulnerability to execute code remotely, potentially leading to system compromise or data theft.
Recommendation
Install security updates for Microsoft Office Outlook and avoid opening suspicious emails.
Other vulnerabilities in Microsoft Office Outlook
See all- CVE-2026-78525High
Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
- CVE-2026-78509Critical
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
- CVE-2026-70329High
An integer overflow vulnerability in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
- CVE-2026-62882Medium
Insufficiently protected credentials in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
Original NVD description (English source)
Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.