01 Record
CVE-2025-30397
Scripting Engine Memory Corruption Vulnerability
HighKEVPUBLISHEDCNA: microsoft
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
02 Description
Scripting Engine Memory Corruption Vulnerability
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-05-13. Federal remediation due 2025-06-03.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 27.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-05-13 16:59Z1 YR AGO
- Last updated
- 2026-02-26 18:28Z8 MO AGO
- Reserved
- 2025-03-21
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
- Weaknesses
- CWE-843Access of Resource Using Incompatible Type ('Type Confusion')Base
- Data version
- 5.2
- Document digest
- 6c06ddf40844553ab91ab6ddb4b26e3965422e833618174c8a986ab385333ee9
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 21H210.0.19044.0 to < 10.0.19044.585432-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 10 Version 22H210.0.19045.0 to < 10.0.19045.585432-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 version 22H210.0.22621.0 to < 10.0.22621.5335ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 Version 24H210.0.26100.0 to < 10.0.26100.4061ARM64-based Systems, x64-based Systems
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to < 6.1.7601.27729x64-based Systems
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to < 6.0.6003.2327932-bit Systems, x64-based Systems
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to < 6.0.6003.2327932-bit Systems, x64-based Systems
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to < 6.2.9200.25475x64-based Systems
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to < 6.3.9600.22577x64-based Systems
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to < 10.0.14393.8066x64-based Systems
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to < 10.0.17763.7314x64-based Systems
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to < 10.0.25398.1611x64-based Systems
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to < 10.0.26100.4061x64-based Systems
06 References
- msrc.microsoft.comScripting Engine Memory Corruption Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30397
- www.vicarius.iohttps://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-mitigation-script
- www.vicarius.iohttps://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerability-in-microsoft-scripting-engine-detection-script