CVE-2021-34527

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

March 11, 2026

Last Seen

August 6, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Microsoft March 2026 Patch Tuesday Addresses 79 Vulnerabilities, Including Zero-Days74.0

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.

Critical Windows Print Spooler Vulnerability CVE-2021-34527 Exploited72.8

CVE-2021-34527, known as 'PrintNightmare', is a critical remote code execution vulnerability affecting the Windows Print Spooler service. Initially thought to be related to CVE-2021-1675, it was identified on July 1, 2021, with a CVSSv3 score of 8.8. The vulnerability allows authenticated users to e...

Risks of Skipping Windows Updates: Vulnerabilities Exploited by Attackers69.0

Skipping Windows updates can leave systems vulnerable to known security flaws, allowing attackers to exploit these weaknesses. Microsoft regularly patches vulnerabilities after they are discovered, but unpatched systems remain easy targets. Notable examples include the PrintNightmare vulnerability (...