How severe is CVE-2025-49752?

CVE-2025-49752 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2025-49752 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-49752?

CVE-2025-49752 affects Microsoft Azure Bastion Developer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-49752?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-49752 have an EU (EUVD) identifier?

Yes. CVE-2025-49752 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198370.

When was CVE-2025-49752 published?

CVE-2025-49752 was published on 2025-11-20 and last updated on 2026-06-17.

CVE-2025-49752

CVE-2025-49752 is a critical-severity vulnerability in Microsoft Azure Bastion Developer with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-294.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198370
Weakness: CWE-294
Affected product: Microsoft Azure Bastion Developer
Published: 2025-11-20
Last modified: 2026-06-17

Description

Azure Bastion Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2025-49752?: Azure Bastion Elevation of Privilege Vulnerability
How severe is CVE-2025-49752?: CVE-2025-49752 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2025-49752 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49752?: CVE-2025-49752 affects Microsoft Azure Bastion Developer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-49752?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-49752 have an EU (EUVD) identifier?: Yes. CVE-2025-49752 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198370.
When was CVE-2025-49752 published?: CVE-2025-49752 was published on 2025-11-20 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49752

Affected products (1)

cpe:2.3:a:microsoft:azure_bastion_developer:-:*:*:*:*:*:*:*

Other CWE-294 (Authentication Bypass by Capture-replay) vulnerabilities

CVE-2026-68079 — Critical (CVSS 9.8): In Apache CXF's DefaultEncryptingCodeDataProvider, a captured authorization code can be redeemed an unlimited number…
CVE-2026-28564 — Critical (CVSS 9.8): Insufficient Session Expiration, Authentication Bypass by Capture-replay vulnerability in Apache IoTDB. REST Basic…
CVE-2026-11856 — Critical (CVSS 9.8): Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with **Digest** authentication and then…
CVE-2026-32987 — Critical (CVSS 9.8): OpenClaw before 2026.3.13 allows bootstrap setup codes to be replayed during device pairing verification in…
CVE-2025-67135 — Critical (CVSS 9.8): Weak Security in the PF-50 1.2 keyfob of PGST PG107 Alarm System 1.25.05.hf allows attackers to compromise access…
CVE-2025-65552 — Critical (CVSS 9.8): D3D Wi-Fi Home Security System ZX-G12 v2.1.1 is vulnerable to RF replay attacks on the 433 MHz sensor communication…

Browse all CWE-294 (Authentication Bypass by Capture-replay) vulnerabilities →