CVE-2025-49731
CVE-2025-49731 is a low-severity vulnerability in Microsoft Teams with a CVSS 3.x base score of 3.1. 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-280.
Key facts
- Severity: Low (CVSS 3.x base score 3.1)
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-20621
- Weakness: CWE-280
- Affected product: Microsoft Teams
- Published:
- Last modified:
Description
Improper handling of insufficient permissions or privileges in Microsoft Teams allows an authorized attacker to elevate privileges over a network.
Frequently asked questions
- What is CVE-2025-49731?
- Improper handling of insufficient permissions or privileges in Microsoft Teams allows an authorized attacker to elevate privileges over a network.
- How severe is CVE-2025-49731?
- CVE-2025-49731 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2025-49731 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-49731?
- CVE-2025-49731 primarily affects Microsoft Teams. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-49731?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-49731 have an EU (EUVD) identifier?
- Yes. CVE-2025-49731 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20621.
- When was CVE-2025-49731 published?
- CVE-2025-49731 was published on 2025-07-08 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:microsoft:teams:*:*:*:*:*:android:*:*
- cpe:2.3:a:microsoft:teams:*:*:*:*:*:iphone_os:*:*
- cpe:2.3:a:microsoft:teams:-:*:*:*:*:windows:*:*
More vulnerabilities in Microsoft Teams
- CVE-2026-33823 — Critical (CVSS 9.6): Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.
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- CVE-2023-29330 — High (CVSS 8.8): Microsoft Teams Remote Code Execution Vulnerability
- CVE-2023-29328 — High (CVSS 8.8): Microsoft Teams Remote Code Execution Vulnerability
- CVE-2026-21535 — High (CVSS 8.2): Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network.
- CVE-2026-42835 — High (CVSS 8.1): Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Teams…
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