Affects Microsoft Azure Cosmos DB — widely used cloud DB. Remote privilege escalation can impact many tenants and production services; likely high-profile incident.
CVE-2026-87701
Azure Cosmos DB injection enables remote privilege escalation
Is CVE-2026-87701 being exploited?
Not confirmed. CVE-2026-87701 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.79% probability of exploitation in the next 30 days.
How severe is CVE-2026-87701?
CVE-2026-87701 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-87701?
Yes. A fix has been recorded for CVE-2026-87701. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-87701 affect?
CVE-2026-87701 affects Microsoft Azure Cosmos DB. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-87701?
Install Microsoft update immediately; rotate keys and review Cosmos DB privileges
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can exploit injection to escalate privileges over the network, access/modify data and perform privileged operations.
Immediate action required
cisa ssvc
- exploitation
- none
- automatable
- no
- technical impact
- total
Assessed by CISA 18 Sept 2026 (SSVC 2.0.3).
timeline
- 17 Sept 2026Published
- 18 Sept 2026CISA SSVC assessment: exploitation none · same day later
- 18 Sept 2026Analysed by vulneraibility.com · 1 day later
- 31 Oct 2026CVE record last updated · 43 days later
- Patchmsrc.microsoft.com /update-guide/vulnerability/CVE-2026-87701
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.