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Background for this topic.
Fixed is a status indicating that a security issue has been addressed through a corrective change, such as a software patch, code change, configuration update, or removal of an affected component. In vulnerability tracking, it usually describes the issue under specified conditions and versions; it does not automatically prove that every affected asset has been updated or that exploitation is impossible.
For vulnerability management, practitioners should verify the fix’s scope, deployment, and effectiveness through testing, rescanning, or other evidence. Incomplete rollout, an overlooked instance, a dependent vulnerable component, or a regression can leave exposure despite a “Fixed” label. Records should distinguish fixed from mitigated or accepted, identify affected assets and versions, and retain validation dates. If the issue was exploited before remediation, fixing it does not establish that an attacker’s access or changes have been removed; that requires separate investigation.
Acer has fixed a high-severity vulnerability affecting multiple laptop models that could enable local attackers to deactivate UEFI Secure Boot security feature. [...]
Over 5.4 million Twitter user records containing non-public information stolen using an API vulnerability fixed in January have been shared for free on a hacker forum. Another massive, potentially more significant, data dump of millions of Twitter records has also been disclosed by a security researcher. [...]