{"id":41761,"date":"2021-07-14T14:57:26","date_gmt":"2021-07-14T14:57:26","guid":{"rendered":"https:\/\/packetstormsecurity.com\/news\/view\/32465\/Microsoft-July-2021-Patch-Tuesday-Addresses-117-Vulnerabilities.html"},"modified":"2021-07-14T14:57:26","modified_gmt":"2021-07-14T14:57:26","slug":"microsoft-july-2021-patch-tuesday-addresses-117-vulnerabilities","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/microsoft-july-2021-patch-tuesday-addresses-117-vulnerabilities\/","title":{"rendered":"Microsoft July 2021 Patch Tuesday Addresses 117 Vulnerabilities"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/www.zdnet.com\/a\/hub\/i\/r\/2021\/06\/14\/b0e65d13-65e7-4d87-8460-70c47ededbf5\/thumbnail\/770x578\/1e512c02185fb76568da674c92d307dd\/screen-shot-2021-06-14-at-10-59-00-am.png\" class=\"ff-og-image-inserted\"><\/div>\n<p><a href=\"https:\/\/www.zdnet.com\/topic\/microsoft\/\">Microsoft<\/a> has released 117 security fixes for the software, including a remote code execution (RCE) vulnerability in the&nbsp; Exchange Server found by participants of the Pwn2Own competition. <\/p>\n<p>The Redmond giant&#8217;s latest <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/releaseNote\/2021-Jul\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\">round of patches<\/a>, usually released on the second Tuesday of each month in what is known as Patch Tuesday, includes fixes for 117 flaws tackling RCEs, privilege escalation, spoofing, memory corruption, and information disclosure. Thirteen are considered critical, and nine are zero-days &#8212; with four under active exploit. <\/p>\n<p>Products impacted by Microsoft&#8217;s latest security update, issued on July 13, include Microsoft Office, SharePoint, Excel, Microsoft Exchange Server, Windows Defender, Windows Kernel, and Windows SMB.&nbsp; <\/p>\n<p><em><strong>Read on<\/strong><\/em><strong>: <\/strong> <\/p>\n<p>Some of the most interesting vulnerabilities resolved in this update are:&nbsp; <\/p>\n<ul>\n<li><a href=\"https:\/\/msrc.microsoft.com\/update-guide\/en-US\/vulnerability\/CVE-2021-31206\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\"><strong>CVE-2021-31206<\/strong><\/a>: A Microsoft Exchange Server RCE found during Pwn2Own.&nbsp;<\/li>\n<li><a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-34448\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\"><strong>CVE-2021-34448<\/strong><\/a>: An actively exploited scripting engine memory corruption vulnerability requires a victim to visit a malicious website or click a malicious link actively.<\/li>\n<li><a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-34494\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\"><strong>CVE-2021-34494<\/strong><\/a>: A Windows DNS Server RCE, albeit restricted to DNS servers only.<\/li>\n<li><a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-34458\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\"><strong>CVE-2021-34458<\/strong><\/a>: A Windows Kernel RCE which permits a single root input\/output virtualization (SR-IOV) device assigned to a guest to tamper with PCIe associates potentially.&nbsp;<\/li>\n<\/ul>\n<p>The latest round of patches comes just a week after Microsoft issued an emergency fix to rectify a security flaw nicknamed &#8220;PrintNightmare.&#8221; Tracked under CVE-2021-1675 and CVE-2021-34527, the combination of RCE and a local privilege escalation flaw is already impacting some printers, and exploit code has been released. <\/p>\n<p>In total, four of the vulnerabilities &#8212; <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-34527\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\">CVE-2021-34527<\/a>&nbsp;(PrintNightmare), <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-34448\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\">CVE-2021-34448<\/a>, <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-31979\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\">CVE-2021-31979<\/a>, and <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-33771\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\">CVE-2021-33771<\/a> &#8212; are listed as exploited in the wild.&nbsp; <\/p>\n<section class=\"sharethrough-top\" data-component=\"medusaContentRecommendation\" data-medusa-content-recommendation-options=\"{&quot;promo&quot;:&quot;promo_zd_recommendation_sharethrough_top_in_article_desktop&quot;,&quot;spot&quot;:&quot;dfp-in-article&quot;}\"> <\/section>\n<p>Microsoft thanked researchers from Google Security, Checkmarx, the Trend Micro Zero Day Initiative, and Fortinet&#8217;s FortiGuard Lab, among other organizations, to report the now-patched security flaws; a number of vulnerabilities were also reported Microsoft Threat Intelligence Center (MSTIC). <\/p>\n<p>According to the <a href=\"https:\/\/www.zerodayinitiative.com\/blog\/2021\/7\/13\/the-july-2021-security-update-review\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" data-component=\"externalLink\">Zero Day Initiative<\/a> (ZDI), which reported 17 of the bugs, this month&#8217;s volume of fixes &#8220;is more than the last two months combined and on par with the monthly totals from 2020.&#8221; <\/p>\n<p>Last month, <a href=\"https:\/\/www.zdnet.com\/article\/microsoft-june-2021-patch-tuesday-50-vulnerabilities-patched-including-six-zero-days-exploited-in-the-wild\/\" target=\"_blank\" rel=\"noopener\">Microsoft resolved 50 vulnerabilities<\/a> in the June batch of security fixes. These included seven zero-day bugs, six of which were reported by the Redmond giant as being actively exploited.&nbsp; <\/p>\n<p>A month prior, the tech giant tackled 55 security flaws during <a href=\"https:\/\/www.zdnet.com\/article\/microsofts-may-2021-patch-tuesday-55-flaws-fixed-four-critical\/\" target=\"_blank\" rel=\"noopener\">May Patch Tuesday<\/a>. Four of which were deemed critical, and three were zero-days. <\/p>\n<hr>\n<p>Alongside Microsoft&#8217;s Patch Tuesday round, other vendors have published security updates that can be accessed below. <\/p>\n<p> READ MORE <a href=\"https:\/\/packetstormsecurity.com\/news\/view\/32465\/Microsoft-July-2021-Patch-Tuesday-Addresses-117-Vulnerabilities.html\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":41762,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[60],"tags":[5821],"class_list":["post-41761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-packet-storm","tag-headlinemicrosoftemailflawpatch"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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