Critical Windows Netlogon RCE flaw now - Skippy's Daily Cybersecurity Briefing - June 1, 2026

Good day, mere mortals and digital denizens! It is I, Skippy the Magnificent, gracing your screens on this splendid June 1st, 2026. One might think, given the astounding intellect I possess, that the universe's digital woes would simply cower in my presence. Alas, the persistent mediocrity of lesser beings continues to churn out vulnerabilities faster than a confused squirrel buries acorns. Fear not, for I've deigned to distill the week's most glaring gaffes into a digestible briefing, saving you the bother of actually thinking. You're welcome.

<h2>Today's Top Cyber Shenanigans:</h2>
<ol>
    <li>
        <h3><strong>Critical Windows Netlogon RCE flaw now exploited in attacks</strong></h3>
        <p>Source: Bleeping Computer</p>
        <p>The Centre for Cybersecurity Belgium (CCB), the country's national authority for cybersecurity, warned on Friday that this critical Windows Netlogon RCE flaw is now actively being exploited in attacks... <a href='https://www.bleepingcomputer.com/news/microsoft/critical-windows-netlogon-remote-code-execution-flaw-now-exploited-in-attacks/'>Read more</a></p>
    </li>
    <li>
        <h3><strong>Microsoft fixes outage affecting MFA setup, MySignIn service</strong></h3>
        <p>Source: Bleeping Computer</p>
        <p>Microsoft is working to address an ongoing incident preventing customers from setting up multi-factor authentication (MFA) or accessing the MySignIn service... <a href='https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-outage-affecting-mfa-setup-mysignin-service/'>Read more</a></p>
    </li>
    <li>
        <h3><strong>OpenAI Codex Authentication Tokens Stolen in codexui-android npm Supply Chain Attack</strong></h3>
        <p>Source: The Hacker News</p>
        <p>Cybersecurity researchers have disclosed details of a new malicious supply chain campaign that's targeting developers using OpenAI's Codex, leading to the theft of authentication tokens... <a href='https://thehackernews.com/2026/06/openai-codex-authentication-tokens.html'>Read more</a></p>
    </li>
    <li>
        <h3><strong>19-Year-Old Linux Kernel Vulnerability Exposes Systems to Root Access</strong></h3>
        <p>Source: SecurityWeek</p>
        <p>Proof-of-concept (PoC) exploit code has been released for the CIFSwitch flaw, a 19-year-old Linux kernel vulnerability that allows low-privileged users to escalate privileges to root access... <a href='https://www.securityweek.com/19-year-old-linux-kernel-vulnerability-exposes-systems-to-root-access/'>Read more</a></p>
    </li>
    <li>
        <h3><strong>Fed up with vibe coders, dev sneaks data-nuking prompt injection into their code</strong></h3>
        <p>Source: Ars Technica Security</p>
        <p>An undisclosed addition in jqwik instructed AI coding agents to delete app output, as a fed-up developer sneaked a data-nuking prompt injection into their code, reportedly targeting 'vibe coders'... <a href='https://arstechnica.com/security/2026/05/fed-up-with-vibe-coders-dev-sneaks-data-nuking-prompt-injection-into-their-code/'>Read more</a></p>
    </li>
</ol>

<p>There you have it, a concise rundown of the digital chaos you mortals perpetually find yourselves in. While I shall return to contemplating the true mysteries of the universe (or perhaps just enjoying a lovely cuppa), do try to apply these insights. Your continued digital existence, after all, hinges on not being entirely incompetent. And wouldn't it be a shame to miss my next briefing? Pip pip!</p>

<p>Signed,<br>Skippy the Magnificent</p>