{"schema_version":1,"title":"Microsoft Internet Information Services (Iis) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Microsoft Internet Information Services (Iis): 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 1 exploited in the wild. The most recent, CVE-2017-7269, was published on 3 November 2021.","url":"https://junglewise.ai/threats/technologies/internet-information-services-iis","json_url":"https://junglewise.ai/threats/technologies/internet-information-services-iis.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/internet-information-services-iis","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":5,"critical":2,"exploited":1,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":0},"latest":[{"cve":"CVE-2017-7269","cvss":9.8,"slug":"cve-2017-7269-microsoft-windows-server-buffer-overflow-vulnerability","title":"Microsoft Windows Server Buffer Overflow Vulnerability","severity":"critical","exploited":true,"published_at":"2021-11-03T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2017-7269-microsoft-windows-server-buffer-overflow-vulnerability"},{"cve":"CVE-1999-0191","cvss":6.4,"slug":"cve-1999-0191-microsoft-iis-file-overwrite-in-newdsn-exe-cgi-script","title":"Microsoft IIS file overwrite in newdsn.exe CGI script","severity":"medium","exploited":false,"published_at":"1997-09-01T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0191-microsoft-iis-file-overwrite-in-newdsn-exe-cgi-script"},{"cve":"CVE-1999-0281","cvss":5,"slug":"cve-1999-0281-microsoft-iis-denial-of-service-via-long-urls","title":"Microsoft IIS denial of service via long URLs","severity":"medium","exploited":false,"published_at":"1997-06-01T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0281-microsoft-iis-denial-of-service-via-long-urls"},{"cve":"CVE-1999-0253","cvss":7.5,"slug":"cve-1999-0253-microsoft-iis-source-code-disclosure-via-url-encoding","title":"Microsoft IIS source code disclosure via URL encoding","severity":"high","exploited":false,"published_at":"1997-01-01T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0253-microsoft-iis-source-code-disclosure-via-url-encoding"},{"cve":"CVE-1999-0233","cvss":10,"slug":"cve-1999-0233-microsoft-iis-arbitrary-command-execution-via-bat-and-cmd-files","title":"Microsoft IIS arbitrary command execution via .bat and .cmd files","severity":"critical","exploited":false,"published_at":"1996-02-25T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0233-microsoft-iis-arbitrary-command-execution-via-bat-and-cmd-files"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Microsoft Windows","slug":"windows-","vulnerabilities":963,"url":"https://junglewise.ai/threats/technologies/windows-"},{"name":"Microsoft Windows 10","slug":"windows-10","vulnerabilities":588,"url":"https://junglewise.ai/threats/technologies/windows-10"},{"name":"Microsoft Windows 11","slug":"windows-11","vulnerabilities":493,"url":"https://junglewise.ai/threats/technologies/windows-11"},{"name":"Microsoft Windows Server 2012","slug":"windows-server-2012","vulnerabilities":293,"url":"https://junglewise.ai/threats/technologies/windows-server-2012"},{"name":"Microsoft Windows Server 2016","slug":"windows-server-2016","vulnerabilities":213,"url":"https://junglewise.ai/threats/technologies/windows-server-2016"},{"name":"Microsoft Windows Server 2019","slug":"windows-server-2019","vulnerabilities":211,"url":"https://junglewise.ai/threats/technologies/windows-server-2019"},{"name":"Microsoft Windows 11 24h2","slug":"windows-11-24h2","vulnerabilities":192,"url":"https://junglewise.ai/threats/technologies/windows-11-24h2"},{"name":"Microsoft Windows Server 2022","slug":"windows-server-2022","vulnerabilities":178,"url":"https://junglewise.ai/threats/technologies/windows-server-2022"},{"name":"Microsoft Edge","slug":"edge-chromium-based","vulnerabilities":167,"url":"https://junglewise.ai/threats/technologies/edge-chromium-based"},{"name":"Microsoft Windows 11 25h2","slug":"windows-11-25h2","vulnerabilities":161,"url":"https://junglewise.ai/threats/technologies/windows-11-25h2"},{"name":"Microsoft Windows 11 Version 26H1","slug":"windows-11-version-26h1","vulnerabilities":135,"url":"https://junglewise.ai/threats/technologies/windows-11-version-26h1"},{"name":"Microsoft Windows Server 2025","slug":"windows-server-2025","vulnerabilities":124,"url":"https://junglewise.ai/threats/technologies/windows-server-2025"}],"technology":{"hub":true,"name":"Microsoft Internet Information Services (Iis)","slug":"internet-information-services-iis","vendor":{"name":"Microsoft","slug":"microsoft","url":"https://junglewise.ai/threats/vendors/microsoft"},"aliases":[],"homepage":"https://www.iis.net/","description":"Internet Information Services (IIS) is an extensible web server created by Microsoft for use with the Windows NT family.","url":"https://junglewise.ai/threats/technologies/internet-information-services-iis"},"most_severe":[{"cve":"CVE-2017-7269","cvss":9.8,"slug":"cve-2017-7269-microsoft-windows-server-buffer-overflow-vulnerability","title":"Microsoft Windows Server Buffer Overflow Vulnerability","severity":"critical","exploited":true,"published_at":"2021-11-03T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2017-7269-microsoft-windows-server-buffer-overflow-vulnerability"},{"cve":"CVE-1999-0233","cvss":10,"slug":"cve-1999-0233-microsoft-iis-arbitrary-command-execution-via-bat-and-cmd-files","title":"Microsoft IIS arbitrary command execution via .bat and .cmd files","severity":"critical","exploited":false,"published_at":"1996-02-25T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0233-microsoft-iis-arbitrary-command-execution-via-bat-and-cmd-files"},{"cve":"CVE-1999-0253","cvss":7.5,"slug":"cve-1999-0253-microsoft-iis-source-code-disclosure-via-url-encoding","title":"Microsoft IIS source code disclosure via URL encoding","severity":"high","exploited":false,"published_at":"1997-01-01T05:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0253-microsoft-iis-source-code-disclosure-via-url-encoding"},{"cve":"CVE-1999-0191","cvss":6.4,"slug":"cve-1999-0191-microsoft-iis-file-overwrite-in-newdsn-exe-cgi-script","title":"Microsoft IIS file overwrite in newdsn.exe CGI script","severity":"medium","exploited":false,"published_at":"1997-09-01T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0191-microsoft-iis-file-overwrite-in-newdsn-exe-cgi-script"},{"cve":"CVE-1999-0281","cvss":5,"slug":"cve-1999-0281-microsoft-iis-denial-of-service-via-long-urls","title":"Microsoft IIS denial of service via long URLs","severity":"medium","exploited":false,"published_at":"1997-06-01T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0281-microsoft-iis-denial-of-service-via-long-urls"}],"generated_at":"2026-09-26T09:24:00.138874+00:00"}