CVE (Common Vulnerabilities and Exposures)
A standardized identifier for publicly disclosed security flaws – format: CVE-year-number.
CVE (Common Vulnerabilities and Exposures) is a standardised identifier for publicly disclosed security flaws. Format: CVE-year-number, e.g. CVE-2026-1234. The database is maintained by MITRE.
NCSC and national CERTs reference CVE numbers in their advisories; each is scored for severity (CVSS 0–10).
Why this matters in 2026
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How to protect yourself
A current operating system, an up-to-date antivirus suite, strong unique passwords (use a password manager) and two-factor authentication on all important accounts already cover the vast majority of real-world risk. Detailed guides: see our How-To section.