CVE-2025-30397

high-risk
Published 2025-05-13

Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.

Do I need to act?

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21.3% chance of exploitation in next 30 days
EPSS score — higher than 79% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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1 public exploit available
52315
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / HIGH complexity

Affected Products (18)

Affected Vendors

Microsoft

References (4)

Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30397
Exploit https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerabili...
Mitigation https://www.vicarius.io/vsociety/posts/cve-2025-30397-type-confusion-vulnerabili...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-...
62
/ 100
high-risk
Severity 22/34 · High
Exploitability 21/34 · High
Exposure 19/34 · Moderate