CVE-2025-21436: qualcomm, inc. snapdragon Use After Free
CVSS: 7.8v3.1HighAnalyzed
Published 07-04-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-21436 is a high (CVSS 7.8) Use After Free vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.1% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.11%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-04-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Memory corruption may occur while initiating two IOCTL calls simultaneously to create processes from two different threads.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.11%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
0.00 pp
From 0.11% on 21-09-2026
21-09-202621-10-2026
EPSS score0.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qualcomm25 products
Qualcomm, inc.1 product
- snapdragonFastConnect 7800 | QMP1000 | SM8735 | SM8750 | SM8750P | Snapdragon 8 Gen 3 Mobile Platform | Snapdragon W5+ Gen 1 Wearable Platform | SW5100 | SW5100P | SXR2330P | WCD9378 | WCD9380 | WCD9390 | WCD9395 | WCN7750 | WCN7860 | WCN7861 | WCN7880 | WCN7881 | WSA8830 | WSA8832 | WSA8835 | WSA8840 | WSA8845 | WSA8845H
2 vendors · 26 products