CVE-2026-65667
published 2026-08-07CVE-2026-65667: Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
PriorityP266critical10CVSS 3.1
AVNACLPRNUINSCCHIHAN
EPSS
0.80%
56.1th percentile
Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_teams | — | — |
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VulDB
Microsoft Teams privileges management (EUVD-2026-54322)
vuldb·2026-08-07·CVSS 10.0
CVE-2026-65667 [CRITICAL] Microsoft Teams privileges management (EUVD-2026-54322)
A vulnerability categorized as critical has been discovered in Microsoft Teams. This affects an unknown function. The manipulation results in improper privilege management.
This vulnerability is identified as CVE-2026-65667. The attack can be executed remotely. There is not any exploit available.
This product is available as a managed service. Users are not able to maintain vulnerability countermeasures themselves.
GHSA
Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
ghsa_unreviewed·2026-08-07
CVE-2026-65667 [CRITICAL] CWE-862 Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
No detection rules found.
No public exploits indexed.
Qualys
Microsoft Patch Tuesday, August 2026 Security Update Review
blogs_qualys·2026-08-11
CVE-2026-72971 Microsoft Patch Tuesday, August 2026 Security Update Review
## Table of Contents
Microsoft Patch Tuesday forAugust2026
Zero-day Vulnerabilities Patched inAugustPatch Tuesday Edition
Critical Severity Vulnerabilities Patched inAugustPatch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Qualys Monthly Webinar Series
The August 2026 Microsoft Patch Tuesday release delivers security fixes for vulnerabilities affecting a wide range of Microsoft products and services. As attackers continue to exploit unpatched vulnerabilities, timely patching remains critical for reducing exposure and strengthening enterprise security.
## Microsoft Patch Tuesday for August 2026
This month’s release addresses 421 vulnerabilities, including 62 critical and 357 important-severity vulnerabilities.
In this month’s updates, Microsof
Sans Isc
Microsoft Patch Tuesday August 2026, (Tue, Aug 11th)
blogs_sans_isc·2026-08-11·CVSS 7.8
CVE-2026-68820 [HIGH] Microsoft Patch Tuesday August 2026, (Tue, Aug 11th)
Microsoft Patch Tuesday August 2026
Published: 2026-08-11. Last Updated: 2026-08-11 17:54:49 UTC
by Renato Marinho (Version: 1)
0 comment(s)
This month we got patches for 418 vulnerabilities. Of these, 62 are critical, 1 is being exploited in the wild, and 2 were publicly disclosed as zero-days. Notable fixes include Windows privilege escalation, container tampering, and critical QUIC and DNS Server remote code execution bugs.
A few vulnerabilities worth mentioning:
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability (CVE-2026-68820)
This Important-severity elevation of privilege vulnerability is listed by Microsoft as exploited in the wild but not publicly disclosed, and it has a CVSS score of 7.0. The flaw is a use-after-free issue in the Windows Ancil
Talos
Microsoft Patch Tuesday for August 2026 — Snort rules and prominent vulnerabilities
blogs_talos·2026-08-11·CVSS 9.4
CVE-2026-68820 [CRITICAL] Microsoft Patch Tuesday for August 2026 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for August 2026 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for August 2026, which includes 421 vulnerabilities affecting a range of products, including 62 that Microsoft marked as "critical."
Microsoft notes that 1 of the vulnerabilities disclosed this month have been exploited in the wild
CVE-2026-68820 is an elevation of privilege vulnerability affecting Windows Ancillary Function Driver for WinSock. A Use After Free vulnerability could allow an authorized attacker to elevate privileges locally. This vulnerability has a CVSS base score of 7.0.
Out of 62 "critical" vulnerabilities, 40 are remote code execution (RCE) vulnerabilities.
Microsoft considers exploitation of the following vulnerabilities more lik
Hackernews
⚡ Weekly Recap: AI Goes Rogue, Metabase 0-Day, MCP Supply-Chain Attacks, and Router Backdoors
blogs_hackernews·2026-08-10
CVE-2026-34348 ⚡ Weekly Recap: AI Goes Rogue, Metabase 0-Day, MCP Supply-Chain Attacks, and Router Backdoors
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## ⚡ Weekly Recap: AI Goes Rogue, Metabase 0-Day, MCP Supply-Chain Attacks, and Router Backdoors
A lot of security problems still begin with someone doing a completely normal thing. Cloning a repo. Answering a call. Leaving a box exposed. Trusting the default.
That pretty much covers the mood this week. Old bugs are back, supply chains are getting stranger, and some exploit paths are so short you wonder what was supposed to stop them in the first place.
That’s only part of it. Here’s everything else that made the Monday recap.
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Crowdstrike
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August 2026 Patch Tuesday: One Exploited Zero-Day and 62 Critical Vulnerabilities Among 415 CVEs Aug 11, 2026
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Secure Agent Harness Execution: Preventing Escape Aug 04, 2026
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2026-08-07
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