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CVE-2026-26128

CVE

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
March 10, 2026
Last Seen
August 31, 2026
API
Exploited in Wild
—
Ransomware Use
—
Public Exploits
—
Attack Vector
—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

On March 10, 2026, Microsoft released its Patch Tuesday updates, fixing 79 vulnerabilities, including two zero-day flaws. The updates address critical vulnerabilities across various products, with one zero-day actively exploited in the wild, necessitating immediate attention from security teams.

Microsoft Office Excel has multiple vulnerabilities that allow unauthorized attackers to execute code locally. These include an out-of-bounds read, use after free, untrusted pointer dereference, heap-based buffer overflow, and type confusion. A cross-site scripting vulnerability also allows informat...

Public Exploits

Checking GitHub for proof-of-concept code…