SEPTEMBER 12, 2026
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Case File

CVE-2026-55140

HIGH · CVSS 7.8 EPSS 0.34%

Source: NVD + CISA KEV + EPSS · Published 2026-07-14 · Last synced 2026-08-13

CyberRota Analysis

AI-Generated

A heap-based buffer overflow vulnerability in Microsoft Office could allow unauthorized attackers to execute arbitrary code on affected systems. This high-severity flaw poses significant risks to users running vulnerable versions of Office, making it crucial for organizations that utilize this software to prioritize patching and mitigation efforts.

CVE
CVE-2026-55140
Severity
HIGH
CVSS
7.8
EPSS
0.34%
Microsoft Office

Original NVD Description

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-87654 CRITICAL CVE-2026-87653 MEDIUM CVE-2026-87648 HIGH CVE-2026-87644 HIGH CVE-2026-87621 CRITICAL CVE-2026-87618 HIGH