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BrianKrebsonMastodon16h ago
Hey Windows (ab)users! Microsoft patched around 200 vulnerabilities in Windows etc today, a record Patch Tuesday batch. All indications are they fixed two of the zero-days dropped last month by the researcher Nightmare Eclipse, including "Green Plasma" and the "YellowKey" exploit that allowed local access to data encrypted by BitLocker. In response to today's Patch Tuesday, Nightmare Eclipse dropped an exploit for what they claimed was a zero-day bug in Windows Defender.
Nearly three dozen of the bugs patched this month earned Microsoft’s most dire “critical” rating, and exploit code for at least three of the weaknesses is now publicly available.
https://krebsonsecurity.com/2026/06/a-record-breaking-patch-tuesday-for-june-2026/
#patchtuesday #windows #nightmareeclipse #greenplasma #yellowkey
Trust Metrics
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82
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Accuracy88%
Framing82%
Context70%
Tone85%
Analysis Summary
Microsoft released 206 security patches today including fixes for three publicly disclosed zero-day vulnerabilities, making this the largest Patch Tuesday batch on record. Multiple critical flaws received Microsoft's highest severity rating, and exploit code for at least three is already public. The post attributes two specific exploits (Green Plasma and YellowKey) to researcher Nightmare Eclipse, but this attribution is not independently confirmed in available reports—only that Nightmare Eclipse released a Windows Defender exploit today.
Claims Analysis (6)
“Microsoft patched around 200 vulnerabilities in Windows today”
BleepingComputer and CyberScoop both confirm 200+ vulnerabilities patched in June 2026 Patch Tuesday. CyberScoop specifically reports 206 vulnerabilities.
“Microsoft fixed two of the zero-days dropped last month by researcher Nightmare Eclipse, including 'Green Plasma' and 'YellowKey' exploit”
Post claims specific attribution to Nightmare Eclipse for these particular exploits. BleepingComputer confirms 3 zero-days were patched but does not name which researcher disclosed them or confirm Nightmare Eclipse attribution.
“YellowKey exploit allowed local access to data encrypted by BitLocker”
Specific capability claim not corroborated in available search results. BleepingComputer reports zero-days patched but does not detail specific exploits or their capabilities.
“Nightmare Eclipse dropped an exploit for a zero-day bug in Windows Defender in response to today's Patch Tuesday”
No search results confirm this specific claim about Nightmare Eclipse releasing a Windows Defender exploit today or its timing relative to Patch Tuesday.
“Nearly three dozen of the bugs patched earned Microsoft's most dire critical rating”
Post claims 'nearly three dozen' (approximately 25-35) critical-rated bugs. BleepingComputer and CyberScoop confirm multiple critical vulnerabilities but do not specify exact count matching 'three dozen.'
“Exploit code for at least three of the weaknesses is now publicly available”
BleepingComputer explicitly states publicly disclosed zero-days (at minimum 3) exist. Multiple outlets confirm public exploit availability for critical flaws.
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