CVE-2022-24548: microsoft malware_protection_engine
CVSS: 5.5v3.1MediumModified
Published 15-04-2022Last modified 09-12-2025
Vulnerability summary
CVE-2022-24548 is a medium (CVSS 5.5) vulnerability in microsoft malware_protection_engine. EPSS estimates a 3.01% chance of exploitation in the next 30 days, higher than 87.2% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
3.01%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-04-2022PublishedVulnerability first disclosed.
- 09-12-2025Last modifiedVulnerability information updated.
Description
Microsoft Defender Denial of Service Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.01%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
+0.02 pp
From 2.99% on 19-09-2026
19-09-202619-10-2026
EPSS score3.01%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft2 products
- malware_protection_engine< 1.1.19100.5
- microsoft malware protection engine≥ 1.1.0.0, < 1.1.19100.5
1 vendor · 2 products
References
1 links- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24548Vendor Advisory