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HIGH · CVSS 8.8 CISA Known Exploited Vulnerability

CVE-2024-29988

Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability

Microsoft SmartScreen Prompt

SmartScreen Prompt Security Feature Bypass Vulnerability

CVSS
8.8
HIGH
EPSS
45.2%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
9 Apr 2024
CWE-693

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 30 April 2024. US federal agencies were required to remediate it by 21 May 2024.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 45.2%, which is higher than 98.8% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

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

Frequently asked questions

Is CVE-2024-29988 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2024-29988.

What does CVE-2024-29988 affect?

CVE-2024-29988 affects Microsoft SmartScreen Prompt. SmartScreen Prompt Security Feature Bypass Vulnerability

How severe is CVE-2024-29988?

CVE-2024-29988 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 45.2%, higher than 98.8% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 21 May 2024.

How should organisations respond to CVE-2024-29988?

Apply the vendor patch for Microsoft SmartScreen Prompt as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.