CVE-2025-30397

Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 2 articles

EPSS Score

Source: FIRST.org · 2026-05-24
20.74%
probability
This CVE has a 20.74% probability of being exploited in the next 30 days.
0% Top 95.7th percentile of all CVEs 100%
CVSS score unavailable
Neither CIRCL nor NVD returned a CVSS score for this CVE. View on VulnerabilityLookup ↗

Description

Project Zero
Scripting Engine Memory Corruption Vulnerability

Attack Intelligence

Google Project Zero

Patched
May 13, 2025
Reported by
Microsoft Threat Intelligence Center
Root Cause Analysis
???

Exploits & PoC

mbanyamer/CVE-2025-30397---Windows-Server-2025-JScript-RCE-Use-After-Free-

Remote Code Execution via Use-After-Free in JScript.dll (CVE-2025-30397)

66
1 repo — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidence
95%
EPSS 20.74%
Mentions 2
Last Seen May 13, 2025

CNA Information

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Threat Actors 3

Circles
apt_group Global
APT 5
apt_group Information theft and espionage 🇨🇳 CN
Storm-2460
apt_group 🇷🇺 RU

Triage Info

Decided atMar 05, 2026