SEPTEMBER 17, 2026
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Case File

CVE-2026-81951

HIGH · CVSS 7.8 EPSS 0.43%

Source: NVD + CISA KEV + EPSS · Published 2026-09-08 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A heap-based buffer overflow vulnerability in Microsoft Office Excel allows unauthorized attackers to execute arbitrary code on affected systems. This high-severity flaw poses a significant risk, particularly for organizations that rely on Excel for critical operations. IT and security teams should prioritize patching this vulnerability to mitigate potential exploitation.

CVE
CVE-2026-81951
Severity
HIGH
CVSS
7.8
EPSS
0.43%
Microsoft Office

Original NVD Description

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

Related CVEs

Other vulnerabilities affecting the same vendor(s)