https://isitpatched.com/microsoft-teams Security alerts for Microsoft Teams: newly-exploited CVEs and end-of-life events from IsItPatched. en Compiled by IsItPatched (isitpatched.com) from NVD, CISA KEV, EPSS and endoflife.date. IsItPatched (https://isitpatched.com) https://www.rssboard.org/rss-specification 15 https://isitpatched.com/icon-192.png https://isitpatched.com/microsoft-teams Tue, 16 Jun 2026 22:43:51 GMT https://isitpatched.com/cve/CVE-2026-42835 microsoft-teams|CVE-2026-42835 Severity: High (CVSS 8.1) · Injection · EPSS 1% High IsItPatched Tue, 09 Jun 2026 17:17:09 GMT https://isitpatched.com/cve/CVE-2026-32185 microsoft-teams|CVE-2026-32185 Severity: Medium (CVSS 5.5) · CWE-552 · EPSS 0% Medium IsItPatched Tue, 12 May 2026 18:16:59 GMT https://isitpatched.com/cve/CVE-2026-33823 microsoft-teams|CVE-2026-33823 Severity: Critical (CVSS 9.6) · CWE-285 · EPSS 1% Critical IsItPatched Thu, 07 May 2026 22:16:34 GMT https://isitpatched.com/cve/CVE-2026-21535 microsoft-teams|CVE-2026-21535 Severity: High (CVSS 8.2) · Improper access control · EPSS 1% High IsItPatched Thu, 19 Feb 2026 23:16:24 GMT https://isitpatched.com/cve/CVE-2025-53783 microsoft-teams|CVE-2025-53783 Severity: High (CVSS 7.5) · CWE-122 · EPSS 1% High IsItPatched Tue, 12 Aug 2025 18:15:46 GMT https://isitpatched.com/cve/CVE-2024-42004 microsoft-teams|CVE-2024-42004 Severity: High (CVSS 7.1) · CWE-347 · EPSS 1% High IsItPatched Wed, 18 Dec 2024 23:15:08 GMT https://isitpatched.com/cve/CVE-2024-41145 microsoft-teams|CVE-2024-41145 Severity: High (CVSS 7.1) · CWE-347 · EPSS 1% High IsItPatched Wed, 18 Dec 2024 23:15:07 GMT https://isitpatched.com/cve/CVE-2024-41138 microsoft-teams|CVE-2024-41138 Severity: High (CVSS 7.1) · CWE-347 · EPSS 1% High IsItPatched Wed, 18 Dec 2024 23:15:07 GMT https://isitpatched.com/cve/CVE-2024-38197 microsoft-teams|CVE-2024-38197 Severity: Medium (CVSS 6.5) · CWE-451 · EPSS 16% Medium IsItPatched Tue, 13 Aug 2024 18:15:28 GMT https://isitpatched.com/cve/CVE-2024-21448 microsoft-teams|CVE-2024-21448 Severity: Medium (CVSS 5) · Improper input validation · EPSS 1% Medium IsItPatched Tue, 12 Mar 2024 17:15:54 GMT https://isitpatched.com/cve/CVE-2024-21374 microsoft-teams|CVE-2024-21374 Severity: Medium (CVSS 5) · Improper input validation · EPSS 1% Medium IsItPatched Tue, 13 Feb 2024 18:15:55 GMT https://isitpatched.com/cve/CVE-2023-4863 microsoft-teams|CVE-2023-4863 Severity: High (CVSS 8.8) · Out-of-bounds write · Actively exploited (CISA KEV) · EPSS 100% Exploited IsItPatched Tue, 12 Sep 2023 15:15:24 GMT https://isitpatched.com/cve/CVE-2023-29330 microsoft-teams|CVE-2023-29330 Severity: High (CVSS 8.8) · Use-after-free · EPSS 2% High IsItPatched Tue, 08 Aug 2023 18:15:11 GMT https://isitpatched.com/cve/CVE-2023-29328 microsoft-teams|CVE-2023-29328 Severity: High (CVSS 8.8) · Use-after-free · EPSS 2% High IsItPatched Tue, 08 Aug 2023 18:15:11 GMT https://isitpatched.com/cve/CVE-2023-24881 microsoft-teams|CVE-2023-24881 Severity: Medium (CVSS 6.5) · Information disclosure · EPSS 2% Medium IsItPatched Tue, 11 Jul 2023 17:15:12 GMT https://isitpatched.com/cve/CVE-2022-21965 microsoft-teams|CVE-2022-21965 Severity: High (CVSS 7.5) · EPSS 3% High IsItPatched Wed, 09 Feb 2022 17:15:08 GMT https://isitpatched.com/cve/CVE-2021-24114 microsoft-teams|CVE-2021-24114 Severity: Medium (CVSS 5.7) · EPSS 3% Medium IsItPatched Thu, 25 Feb 2021 23:15:16 GMT https://isitpatched.com/cve/CVE-2020-10146 microsoft-teams|CVE-2020-10146 Severity: Medium (CVSS 5.7) · Cross-site scripting (XSS) · EPSS 2% Medium IsItPatched Wed, 09 Dec 2020 01:15:12 GMT https://isitpatched.com/cve/CVE-2020-17091 microsoft-teams|CVE-2020-17091 Severity: High (CVSS 7.8) · Code injection · EPSS 2% High IsItPatched Wed, 11 Nov 2020 07:15:19 GMT https://isitpatched.com/cve/CVE-2019-5922 microsoft-teams|CVE-2019-5922 Severity: High (CVSS 7.8) · Untrusted search path · EPSS 5% High IsItPatched Tue, 12 Mar 2019 22:29:01 GMT