Zero-day exploit completely defeats default Windows 11 BitLocker protections

2026-05-16T08:51:45Zc059a966cc9e7d1372c280ecb46560052a298731247ca069faf69f50f4123bc8
ai-vulnerability-discoveryasp.netbitlockerbitwardencanvas-outagecheckmarxcopyfaildaemon-toolselement-datalinuxmythospost-quantum-ransomwaresupply-chain-attackubuntu-outagewindows-11zero-day

What happened

A wave of high-impact security incidents and discoveries was reported: a previously unknown zero-day that reportedly defeats default Windows 11 BitLocker protections (Microsoft investigating); multiple severe Linux vulnerabilities (including CopyFail and other root-impacting flaws) with patches being issued; a monthlong supply‑chain backdoor in Daemon Tools and other supply-chain compromises affecting security firms and OSS packages (element-data) that stole credentials; emergency ASP.NET fixes for macOS/Linux; and disruptive incidents such as the Canvas outage and Ubuntu infrastructure outage

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
arstechnica_security
Record identifier
c059a966cc9e7d1372c280ecb46560052a298731247ca069faf69f50f4123bc8
Enrichment time
2026-05-16T08:51:45Z
AI-assisted enrichment
Yes

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Record · Zero-day exploit completely defeats default Windows 11 BitLocker protections · Baitaphish