high Known exploitedREV. 01
CVE-2023-24880Windows SmartScreen — Mark of the Web Bypass
A crafted malicious file can evade the Mark of the Web (MOTW) defenses in Windows SmartScreen, so the warning a user would normally see does not protect them. Ransomware campaigns are known to use this flaw.
Read the risk
THE VITAL STATS- CVSS score
- 4.4/ 10 CVSS v3.1
- EPSS probability
- 78.0% Likelihood of exploitation
- Attack complexity
- Low Conditions needed to exploit
- Known exploited
- Yes — CISA KEV
- CVE published
- 2023-03-14
- Added to KEV
- 2023-03-14
- CISA due date
- 2023-04-04
- Exploit published
- Not recorded
- Confidence
- high
- Kill chain
- defense evasion
- MITRE ATT&CK
- —
- Severity
- high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Attacker needsA user must open a specially crafted malicious file.
Behind the card
3 REFERENCES- 01CVE recordNVD recordnvd.nist.gov
- 02CISACISA Known Exploited Vulnerabilities catalogcisa.gov
- 03Vendor advisorymsrc.microsoft.commsrc.microsoft.com
Field-level provenanceTRACE THE SOURCES +
Which source supports each field, when it was retrieved, and who extracted it.
| Fields | Source | Retrieved | Extractor | Confidence |
|---|---|---|---|---|
| cvss, exploitation.attack_complexity, exploitation.exploit_available, published_at, references | nvd.nist.gov | 2026-11-05 | scrty-crds-pipeline/0.1 | high |
| exploitation.known_exploited, exploitation.kev_added, exploitation.kev_due | cisa.gov | 2026-11-05 | scrty-crds-pipeline/0.1 | high |
| epss | api.first.org | 2026-11-05 | scrty-crds-pipeline/0.1 | high |
| title, subtitle, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisites | nvd.nist.gov | 2026-11-05 | claude-code | high |
Printing history
THE RECORD- r1Initial base card
History unavailable — this build has no Git history for the card file.