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CVE-2025-64713

24
FAUCET Score

CVE-2025-64713 describes an out-of-bounds array access vulnerability in WebAssembly Micro Runtime (WAMR) versions prior to 2.4.4. This flaw occurs during WASM bytecode loading in fast interpreter mode, specifically when a GET_GLOBAL(I32) opcode is followed by an 'if' opcode, leading to incorrect array indexing. With a CVSS score of 7.4 (HIGH), this vulnerability could result in high confidentiality, integrity, and availability impacts, though it requires high attack complexity. 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

5.1MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.4
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 69th percentile among its peer group of 157 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 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-2025-64713Moderate

WebAssembly Micro Runtime frame_offset_bottom array bounds overflow in fast Interpreter mode when handling GET_GLOBAL(I32) followed by if opcode

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-gvx3-gg3x-rjcx
ExploitVendor Advisory