CVE-2026-21385

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-03-03. Federal remediation due 2026-03-24.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.07% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 62.4% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-03-02 16:53Z6 MO AGO

Last updated

2026-03-04 04:55Z6 MO AGO

Reserved

2025-12-17

Assigning CNA

qualcomm

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

57bb5a9a822ef8a1ca4b99787a80858b1f54af12b4dff750be63847f7e467f8d

• docs.qualcomm.comhttps://docs.qualcomm.com/product/publicresources/securitybulletin/march-2026-bulletin.html
• source.android.comhttps://source.android.com/docs/security/bulletin/2026/2026-03-01third-party-advisory
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21385government-resource