CVE-2026-3336

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited 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

0.77% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 53.0% of scored records. A rank, not a probability.

NVD base score

8.7 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Modified. NVD last modified this record on 2026-07-15.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

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 21:15Z6 MO AGO

Last updated

2026-08-21 12:13Z14 DAYS AGO

Reserved

2026-02-27

Assigning CNA

AMZN

Record state

PUBLISHED

Severity

High (CVSS 8.7)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.2

Document digest

cf3cbca2b177c3649379c8ad332a4cdb9b93d3202d56bb21a2f4420323bf7f6c

• aws.amazon.comhttps://aws.amazon.com/security/security-bulletins/2026-005-AWS/vendor-advisory
• github.comhttps://github.com/aws/aws-lc/releases/tag/v1.69.0patch
• github.comhttps://github.com/aws/aws-lc/security/advisories/GHSA-cfwj-9wp5-wqvpthird-party-advisory
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-3336vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2444026https://bugzilla.redhat.com/show_bug.cgi?id=2444026issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3336.jsonx_sadp-csaf-vex
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:5459vendor-advisoryx_refsource_REDHAT