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CVE-2025-64704

20
FAUCET Score

CVE-2025-64704 describes a segmentation fault vulnerability in WebAssembly Micro Runtime (WAMR) versions prior to 2.4.4, specifically within the v128.store instruction. This medium-severity vulnerability (CVSS 5.5) can lead to a denial of service (availability impact) and requires local access and user interaction to exploit. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.4CPE matchmatch criteria
cpe:2.3:a:bytecodealliance:webassembly_micro_runtime:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
8.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 10th percentile among its peer group of 5,760 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2025-Nov/CVE-2025-64704Moderate

WebAssembly Micro Runtime vulnerable to a segmentation fault in v128.store instruction

Nov 11, 2025

References

github.com / bytecodealliance/wasm-micro-runtime/releases/tag/WAMR-2.4.4
Release Notes
github.com / bytecodealliance/wasm-micro-runtime/security/advisories/GHSA-2f2p-wf5w-82qr
ExploitVendor Advisory