# Microsoft Internet Explorer vulnerabilities Source: https://junglewise.ai/threats/technologies/internet-explorer Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/internet-explorer.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 50 vulnerabilities in Microsoft Internet Explorer: 0 in the last 7 days and 1 in the last 90 days, 43 of them critical and 42 exploited in the wild. The most recent, CVE-2026-83741, was published on 13 October 2026. 1 vulnerability in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 1 - All time: 50 (43 critical, 42 exploited in the wild) ## About Microsoft Internet Explorer Web browser developed by Microsoft for Windows systems. ## Latest Microsoft Internet Explorer vulnerabilities - [CVE-2026-83741: Microsoft Internet Explorer use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-83741-use-after-free-in-internet-explorer-allows-an-authorized-attacker) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2010-0249: Microsoft Internet Explorer use-after-free in HTML object handling](https://junglewise.ai/threats/cve-2010-0249-microsoft-internet-explorer-use-after-free-in-html-object-handling) (critical, exploited in the wild, CVSS 9.3, published 3 Jun 2026) - [CVE-2010-0806: Microsoft Internet Explorer use-after-free in Peer Objects](https://junglewise.ai/threats/cve-2010-0806-microsoft-internet-explorer-use-after-free-in-peer-objects) (critical, exploited in the wild, CVSS 9.3, published 20 May 2026) - [CVE-2008-4250: Microsoft Windows buffer overflow in Server service](https://junglewise.ai/threats/cve-2008-4250-microsoft-windows-buffer-overflow-in-server-service) (critical, exploited in the wild, CVSS 10, published 20 May 2026) - [CVE-2010-3962: Microsoft Internet Explorer use-after-free in CSS processing](https://junglewise.ai/threats/cve-2010-3962-microsoft-internet-explorer-use-after-free-in-css-processing) (critical, exploited in the wild, CVSS 9.3, published 6 Oct 2025) - [CVE-2013-3893: Microsoft Internet Explorer use after free in mshtml.dll](https://junglewise.ai/threats/cve-2013-3893-microsoft-internet-explorer-use-after-free-in-mshtml-dll) (critical, exploited in the wild, CVSS 8.8, published 12 Aug 2025) - [CVE-2012-4792: Microsoft Internet Explorer Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2012-4792-microsoft-internet-explorer-use-after-free-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 23 Jul 2024) - [CVE-2013-3163: Microsoft Internet Explorer Memory Corruption Vulnerability](https://junglewise.ai/threats/cve-2013-3163-microsoft-internet-explorer-memory-corruption-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 30 Mar 2023) - [CVE-2012-4969: Microsoft Internet Explorer Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2012-4969-microsoft-internet-explorer-use-after-free-vulnerability) (critical, exploited in the wild, CVSS 8.1, published 8 Jun 2022) - [CVE-2013-7331: Microsoft Internet Explorer Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2013-7331-microsoft-internet-explorer-information-disclosure-vulnerability) (critical, exploited in the wild, CVSS 6.5, published 25 May 2022) - [CVE-2015-2425: Microsoft Internet Explorer Memory Corruption Vulnerability](https://junglewise.ai/threats/cve-2015-2425-microsoft-internet-explorer-memory-corruption-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 25 May 2022) - [CVE-2015-0071: Microsoft Internet Explorer ASLR Bypass Vulnerability](https://junglewise.ai/threats/cve-2015-0071-microsoft-internet-explorer-aslr-bypass-vulnerability) (critical, exploited in the wild, CVSS 6.5, published 25 May 2022) - [CVE-2014-4123: Microsoft Internet Explorer Privilege Escalation Vulnerability](https://junglewise.ai/threats/cve-2014-4123-microsoft-internet-explorer-privilege-escalation-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 25 May 2022) - [CVE-2014-2817: Microsoft Internet Explorer Privilege Escalation Vulnerability](https://junglewise.ai/threats/cve-2014-2817-microsoft-internet-explorer-privilege-escalation-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 25 May 2022) - [CVE-2016-3298: Microsoft Internet Explorer Messaging API Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2016-3298-microsoft-internet-explorer-messaging-api-information-disclosure) (critical, exploited in the wild, CVSS 6.5, published 24 May 2022) - [CVE-2016-0162: Microsoft Internet Explorer Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2016-0162-microsoft-internet-explorer-information-disclosure-vulnerability) (critical, exploited in the wild, CVSS 4.3, published 24 May 2022) - [CVE-2017-0210: Microsoft Internet Explorer Privilege Escalation Vulnerability](https://junglewise.ai/threats/cve-2017-0210-microsoft-internet-explorer-privilege-escalation-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 24 May 2022) - [CVE-2016-3351: Microsoft Internet Explorer and Edge Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2016-3351-microsoft-internet-explorer-and-edge-information-disclosure) (critical, exploited in the wild, CVSS 6.5, published 24 May 2022) - [CVE-2017-0149: Microsoft Internet Explorer Memory Corruption Vulnerability](https://junglewise.ai/threats/cve-2017-0149-microsoft-internet-explorer-memory-corruption-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 24 May 2022) - [CVE-2019-0676: Microsoft Internet Explorer Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2019-0676-microsoft-internet-explorer-information-disclosure-vulnerability) (critical, exploited in the wild, CVSS 6.5, published 23 May 2022) - [CVE-2016-7200: ChakraCore RCE Vulnerability](https://junglewise.ai/threats/cve-2016-7200-microsoft-edge-memory-corruption-vulnerability) (critical, exploited in the wild, CVSS 3, published 14 May 2022) - [CVE-2016-7201: ChakraCore RCE Vulnerability](https://junglewise.ai/threats/cve-2016-7201-microsoft-edge-memory-corruption-vulnerability) (critical, exploited in the wild, CVSS 3, published 14 May 2022) - [CVE-2014-0322: Microsoft Internet Explorer Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2014-0322-microsoft-internet-explorer-use-after-free-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 4 May 2022) - [CVE-2015-2502: Microsoft Internet Explorer Memory Corruption Vulnerability](https://junglewise.ai/threats/cve-2015-2502-microsoft-internet-explorer-memory-corruption-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 13 Apr 2022) - [CVE-2013-2551: Microsoft Internet Explorer Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2013-2551-microsoft-internet-explorer-use-after-free-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 28 Mar 2022) ## Most severe Microsoft Internet Explorer vulnerabilities - [CVE-2008-4250: Microsoft Windows buffer overflow in Server service](https://junglewise.ai/threats/cve-2008-4250-microsoft-windows-buffer-overflow-in-server-service) (critical, exploited in the wild, CVSS 10, published 20 May 2026) - [CVE-2014-1776: Microsoft Internet Explorer Memory Corruption Vulnerability](https://junglewise.ai/threats/cve-2014-1776-microsoft-internet-explorer-memory-corruption-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 28 Jan 2022) - [CVE-2010-0249: Microsoft Internet Explorer use-after-free in HTML object handling](https://junglewise.ai/threats/cve-2010-0249-microsoft-internet-explorer-use-after-free-in-html-object-handling) (critical, exploited in the wild, CVSS 9.3, published 3 Jun 2026) - [CVE-2010-0806: Microsoft Internet Explorer use-after-free in Peer Objects](https://junglewise.ai/threats/cve-2010-0806-microsoft-internet-explorer-use-after-free-in-peer-objects) (critical, exploited in the wild, CVSS 9.3, published 20 May 2026) - [CVE-2010-3962: Microsoft Internet Explorer use-after-free in CSS processing](https://junglewise.ai/threats/cve-2010-3962-microsoft-internet-explorer-use-after-free-in-css-processing) (critical, exploited in the wild, CVSS 9.3, published 6 Oct 2025) - [CVE-2013-3893: Microsoft Internet Explorer use after free in mshtml.dll](https://junglewise.ai/threats/cve-2013-3893-microsoft-internet-explorer-use-after-free-in-mshtml-dll) (critical, exploited in the wild, CVSS 8.8, published 12 Aug 2025) - [CVE-2012-4792: Microsoft Internet Explorer Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2012-4792-microsoft-internet-explorer-use-after-free-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 23 Jul 2024) - [CVE-2013-3163: Microsoft Internet Explorer Memory Corruption Vulnerability](https://junglewise.ai/threats/cve-2013-3163-microsoft-internet-explorer-memory-corruption-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 30 Mar 2023) - [CVE-2014-2817: Microsoft Internet Explorer Privilege Escalation Vulnerability](https://junglewise.ai/threats/cve-2014-2817-microsoft-internet-explorer-privilege-escalation-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 25 May 2022) - [CVE-2014-4123: Microsoft Internet Explorer Privilege Escalation Vulnerability](https://junglewise.ai/threats/cve-2014-4123-microsoft-internet-explorer-privilege-escalation-vulnerability) (critical, exploited in the wild, CVSS 8.8, published 25 May 2022) ## Vulnerabilities per week 1 vulnerability in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 1 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Microsoft technologies - [Microsoft Windows](https://junglewise.ai/threats/technologies/windows): 2,362 vulnerabilities - [Microsoft Windows 10](https://junglewise.ai/threats/technologies/windows-10): 589 vulnerabilities - [Microsoft Windows 11 24h2](https://junglewise.ai/threats/technologies/windows-11-24h2): 565 vulnerabilities - [Microsoft Windows 11 25h2](https://junglewise.ai/threats/technologies/windows-11-25h2): 534 vulnerabilities - [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025): 534 vulnerabilities - [Microsoft Windows Server 2022](https://junglewise.ai/threats/technologies/windows-server-2022): 528 vulnerabilities - [Microsoft Windows Server 2019](https://junglewise.ai/threats/technologies/windows-server-2019): 521 vulnerabilities - [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012): 517 vulnerabilities - [Microsoft Windows 11](https://junglewise.ai/threats/technologies/windows-11): 494 vulnerabilities - [Microsoft Windows Server 2016](https://junglewise.ai/threats/technologies/windows-server-2016): 476 vulnerabilities - [Microsoft Windows 10 1809](https://junglewise.ai/threats/technologies/windows-10-1809): 380 vulnerabilities - [Microsoft Windows 10 21h2](https://junglewise.ai/threats/technologies/windows-10-21h2): 373 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Microsoft Internet Explorer vulnerabilities", https://junglewise.ai/threats/technologies/internet-explorer, 13 November 2026.