CVE-2025-52496

highpriority · track · 31EPSS 0.002 · 12 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.21% (12th) EPSS
CVSS 7.8 · high
Is it mine?
4 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, or perform a GCM forgery.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 1.4 · impact 5.8
v3.17.8highAV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.17.8highCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Nsecondary · ENISA EU
v3.17.8highCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Nsecondary · cve@mitre.org USexploitability 1.4 · impact 5.8
v3.17.1highCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-733USCWE-733US
04

affected products (4)

Products and version ranges known to be affected.

05

also known as (4)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bdunvdNVDCVE.orgMITRE
published 2025-07-04modified 2026-06-17
07

references (5)

External citations — patches, advisories, analysis.

scry

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