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High severity8.8NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-70257

CVE-2026-70257

Description

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

Affected products

1

Microsoft/Office Outlookllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70257nvd

News mentions

0

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CVE-2026-70257 · High · VYPR