CISA KEV · Known exploitedHigh

CVE-2024-29988

Microsoft SmartScreen Prompt

CVE-2024-29988 affects Microsoft SmartScreen Prompt. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS: 8.8
EPSS: 45.2%
CISA KEV: Listed
Published: 2024.04.10

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability45.2%

Technical severityCVSS 8.8

Vulnerability overview

CVE-2024-29988 affects Microsoft SmartScreen Prompt. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

Affected product and versions

Product: Microsoft SmartScreen Prompt
Affected versions: 10.0.17763.0, 10.0.0, 10.0.20348.0, 10.0.19043.0, 10.0.22621.0, 10.0.19045.0, 10.0.22631.0, 10.0.25398.0, < 10.0.17763.5696, < 10.0.19044.4291, < 10.0.19045.4291, < 10.0.22000.2899, < 10.0.22621.3447, < 10.0.22631.3447, < 10.0.20348.2402, < 10.0.25398.830
Fixed versions: 10.0.17763.5696, 10.0.19044.4291, 10.0.19045.4291, 10.0.22000.2899, 10.0.22621.3447, 10.0.22631.3447, 10.0.20348.2402, 10.0.25398.830

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due date: 2024.05.21

1
Identify
Confirm that Microsoft SmartScreen Prompt and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-693
KEV added: 2024.04.30
Ransomware use: 미확인