Known exploited vulnerability

CVE-2023-24880

mediumCVSS 3.1 4.4In CISA KEVRansomwareEPSS 78%Published · Microsoft

The short answer

CVE-2023-24880 affects Microsoft Windows 10 Version 1809 and is rated medium (CVSS 4.4). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-03-14: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

Windows SmartScreen Security Feature Bypass Vulnerability

Weakness: CWE-863.

Severity

4.4 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Exploited (CISA KEV)

Yes, since Mar 14, 2023

Federal due date Apr 4, 2023

EPSS, next 30 days

78%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
None
Integrity impact
Low
Availability impact
Low

What CISA says to do

Apply updates per vendor instructions.

Affected products

Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 10 Version 20H2, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation). NVD's record lists the exact affected versions.

References

Questions

Is CVE-2023-24880 being exploited?

Yes. CISA added CVE-2023-24880 to its Known Exploited Vulnerabilities catalog on 2023-03-14, with a federal remediation due date of 2023-04-04. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2023-24880?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

Related

Know the day a CVE lands in your code

Connect a GitHub repository and ZeusQA checks its dependencies daily, briefs each advisory and opens the fix. Three test runs free, no card.