CVE-2026-21962

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-08-24. Federal remediation due 2026-08-27.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• 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

43.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-24.

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

2026-01-20 21:56Z7 MO AGO

Last updated

2026-08-24 19:58Z8 HR AGO

Reserved

2026-01-05

Assigning CNA

oracle

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CNA CVSS vector

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

Weaknesses

• CWE-284Improper Access ControlPillar

Data version

5.2

Document digest

4c9657e11e592d2ba6a54fee9a2e832efe10fbe9e7157a90b6951064b03dc17f

• www.oracle.comOracle Advisoryhttps://www.oracle.com/security-alerts/cpujan2026.htmlvendor-advisory
• x.comhttps://x.com/0xacb/status/2015473216844620280
• github.comhttps://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1
• web.archive.orghttps://web.archive.org/web/20260129165916/https://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21962government-resource