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CVE-2026-83939

CVE

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
September 8, 2026
Last Seen
September 9, 2026
API
Exploited in Wild
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Ransomware Use
—
Public Exploits
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Attack Vector
—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

On September 8, 2026, Microsoft released a record-breaking 974 patches for vulnerabilities across its products, including two actively exploited zero-day vulnerabilities: CVE-2026-81963 and CVE-2026-85880. These vulnerabilities allow local attackers to escalate privileges to SYSTEM level, posing sig...

Public Exploits

Checking GitHub for proof-of-concept code…