Recorded 25 Oct 2026 at 17:12 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.
CVEMicrosoft Security Response Center
Azure Key Vault Information Disclosure Vulnerability
Origin validation error in Azure Key Vault allows an unauthorized attacker to disclose information over a network.
What it said
- CVE
- CVE-2026-88132
- Severity
- Important
- CVSS base score
- 5.9
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
- Impact
- Information Disclosure
- Exploitation detected
- Not reported by MSRC
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
- Component
- Azure Key Vault
- Weakness
- CWE-346: Origin Validation Error
- Issued by
- Microsoft
- Customer action
- Required: apply the update
- Affected products
- azure-keyvault-administration, azure-keyvault-certificates, azure-keyvault-keys, azure-keyvault-secrets
- Updates that fix it
- No KB listed
- CISA KEV
- Not listed in the collected catalog
- EPSS
- 0.3%; scored 25 Oct 2026
- Public exploit code
- No Nuclei template listed
- Published
- 13 Oct 2026 07:00 UTC
- Last revised
- 13 Oct 2026 07:00 UTC
- Revision note
- Information published.
Recorded links
Source evidence when recorded
- Microsoft security releases
- Complete at observationRead 25 Oct 2026 at 17:11 UTC
- CISA KEV
- Complete at observationRead 25 Oct 2026 at 17:11 UTC
- FIRST EPSS
- Complete at observationRead 25 Oct 2026 at 17:11 UTC
- Public exploit code
- Complete at observationRead 25 Oct 2026 at 17:11 UTC
Coverage describes the sources at this observation. A complete read then does not establish their current position.
What changed
First observed 14 Oct 2026- 25 Oct 2026 · 17:12:51 UTC EPSS0.3%; scored 24 Oct 2026 → 0.3%; scored 25 Oct 2026
- 25 Oct 2026 · 01:34:18 UTC EPSS0.3%; scored 23 Oct 2026 → 0.3%; scored 24 Oct 2026
- 23 Oct 2026 · 15:51:28 UTC EPSS0.3%; scored 22 Oct 2026 → 0.3%; scored 23 Oct 2026
- 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
- 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
- 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
- 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
- 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
- 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
- 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
- 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
- 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
Show 13 more recent changes
- 23 Oct 2026 · 08:31:50 UTCSource coverage: first-epss Current → Incomplete
- 23 Oct 2026 · 08:31:50 UTCSource coverage: cisa-kev Current → Incomplete
- 23 Oct 2026 · 08:31:50 UTCSource coverage: msrc-cvrf Current → Incomplete
- 22 Oct 2026 · 17:33:15 UTCEPSS 0.3%; scored 21 Oct 2026 → 0.3%; scored 22 Oct 2026
- 21 Oct 2026 · 21:47:24 UTCEPSS 0.3%; scored 20 Oct 2026 → 0.3%; scored 21 Oct 2026
- 20 Oct 2026 · 20:53:31 UTCEPSS 0.3%; scored 19 Oct 2026 → 0.3%; scored 20 Oct 2026
- 19 Oct 2026 · 15:12:40 UTCEPSS 0.3%; scored 18 Oct 2026 → 0.3%; scored 19 Oct 2026
- 18 Oct 2026 · 14:54:30 UTCEPSS 0.3%; scored 16 Oct 2026 → 0.3%; scored 18 Oct 2026
- 18 Oct 2026 · 14:54:30 UTCLink: October 2026 → /security?release=2026-Oct#cves
- 16 Oct 2026 · 16:13:25 UTCEPSS 0.3%; scored 15 Oct 2026 → 0.3%; scored 16 Oct 2026
- 16 Oct 2026 · 07:41:54 UTCAffected products Azure Key Vault Client SDK, azure-keyvault-administration, azure-keyvault-certificates, azure-keyvault-keys, azure-keyvault-secrets → azure-keyvault-administration, azure-keyvault-certificates, azure-keyvault-keys, azure-keyvault-secrets
- 15 Oct 2026 · 21:30:54 UTCEPSS 0.3%; scored 14 Oct 2026 → 0.3%; scored 15 Oct 2026
- 15 Oct 2026 · 01:07:54 UTCEPSS Not scored → 0.3%; scored 14 Oct 2026
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