CVE Explorer
CVE-2026-21226
Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Azure Core shared client library for Python","vendor":"Microsoft","versions":[{"lessThan":"1.38.0","status":"affected","version":"1.1.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:7564678fd2d5c37f5a9b3a11dc2fae4bfc0048ec96dee2cef24c0ca02632cec1 · sha256:be5e3a91b9a3feda… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:7564678fd2d5c37f5a9b3a11dc2fae4bfc0048ec96dee2cef24c0ca02632cec1 · sha256:be5e3a91b9a3feda… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en-US","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:7564678fd2d5c37f5a9b3a11dc2fae4bfc0048ec96dee2cef24c0ca02632cec1 · sha256:be5e3a91b9a3feda… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"Azure Core shared client library for Python Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21226"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7564678fd2d5c37f5a9b3a11dc2fae4bfc0048ec96dee2cef24c0ca02632cec1 · sha256:be5e3a91b9a3feda… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.