CVE-2023-23397: Microsoft Outlook Elevation of Privilege Vulnerability

Microsoft Corp. today issued software updates to plug 139 security holes in various flavors of Windows and other Microsoft products. Redmond says attackers are already exploiting at least two of the vulnerabilities in active attacks against Windows users.

By Deeba Ahmed Russian hackers, part of Russia’s Main Intelligence Directorate of the General Staff, are using compromised Ubiquiti EdgeRouters to… This is a post from HackRead.com Read the original post: FBI Alert: Russian Hackers Target Ubiquiti Routers for Data, Botnet Creation

Microsoft Corp. today pushed software updates to plug more than 70 security holes in its Windows operating systems and related products, including two zero-day vulnerabilities that are already being exploited in active attacks.

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new phishing campaign orchestrated by the Russia-linked APT28 group to deploy previously undocumented malware such as OCEANMAP, MASEPIE, and STEELHOOK to harvest sensitive information. The activity, which was detected by the agency between December 15 and 25, 2023, targets government entities

Technical details have emerged about two now-patched security flaws in Microsoft Windows that could be chained by threat actors to achieve remote code execution on the Outlook email service sans any user interaction. "An attacker on the internet can chain the vulnerabilities together to create a full, zero-click remote code execution (RCE) exploit against Outlook clients," Akamai security

The Russian nation-state threat actor known as APT28 has been observed making use of lures related to the ongoing Israel-Hamas war to facilitate the delivery of a custom backdoor called HeadLace. IBM X-Force is tracking the adversary under the name ITG05, which is also known as BlueDelta, Fancy Bear, Forest Blizzard (formerly Strontium), FROZENLAKE, Iron Twilight, Sednit, Sofacy, and

Microsoft on Monday said it detected Kremlin-backed nation-state activity exploiting a critical security flaw in its Outlook email service to gain unauthorized access to victims' accounts within Exchange servers. The tech giant attributed the intrusions to a threat actor it called Forest Blizzard (formerly Strontium), which is also widely tracked under the monikers APT28,

Zero-day vulnerabilities in Windows Installers for the Atera remote monitoring and management software could act as a springboard to launch privilege escalation attacks. The flaws, discovered by Mandiant on February 28, 2023, have been assigned the identifiers CVE-2023-26077 and CVE-2023-26078, with the issues remediated in versions 1.8.3.7 and 1.8.4.9 released by Atera on April 17, 2023, and

Microsoft has disclosed that it's detected a spike in credential-stealing attacks conducted by the Russian state-affiliated hacker group known as Midnight Blizzard. The intrusions, which made use of residential proxy services to obfuscate the source IP address of the attacks, target governments, IT service providers, NGOs, defense, and critical manufacturing sectors, the tech giant's threat

Cybersecurity researchers have shared details about a now-patched security flaw in Windows MSHTML platform that could be abused to bypass integrity protections on targeted machines. The vulnerability, tracked as CVE-2023-29324 (CVSS score: 6.5), has been described as a security feature bypass. It was addressed by Microsoft as part of its Patch Tuesday updates for May 2023. Akamai security

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of cyber attacks perpetrated by Russian nation-state hackers targeting various government bodies in the country. The agency attributed the phishing campaign to APT28, which is also known by the names Fancy Bear, Forest Blizzard, FROZENLAKE, Iron Twilight, Sednit, and Sofacy. The email messages come with the subject line "

Hello everyone! This episode will be about Microsoft Patch Tuesday for March 2023, including vulnerabilities that were added between February and March Patch Tuesdays. Alternative video link (for Russia): https://vk.com/video-149273431_456239119 As usual, I use my open source Vulristics project to analyse and prioritize vulnerabilities. I took the comments about the vulnerabilities from the Qualys, Tenable, Rapid7, ZDI […]

Microsoft on Friday shared guidance to help customers discover indicators of compromise (IoCs) associated with a recently patched Outlook vulnerability. Tracked as CVE-2023-23397 (CVSS score: 9.8), the critical flaw relates to a case of privilege escalation that could be exploited to steal NT Lan Manager (NTLM) hashes and stage a relay attack without requiring any user interaction. "External

Facebook users are notoriously the biggest offenders for sharing fake news and misinformation.

As many as 55 zero-day vulnerabilities were exploited in the wild in 2022, with most of the flaws discovered in software from Microsoft, Google, and Apple. While this figure represents a decrease from the year before, when a staggering 81 zero-days were weaponized, it still represents a significant uptick in recent years of threat actors leveraging unknown security flaws to their advantage. The

Snowballing PoC exploits for CVE-2023-23397 and a massive attack surface means almost business user could be a victim.

The latest episode of ThreatWise TV from Hazel Burton is the closest look yet at the team Talos assembled in the days after Russia invaded Ukraine.

Cisco Talos is urging all users to update Microsoft Outlook after the discovery of a critical vulnerability, CVE-2023-23397, in the email client that attackers are actively exploiting in the wild.

Microsoft on Tuesday released updates to quash at least 74 security bugs in its Windows operating systems and software. Two of those flaws are already being actively attacked, including an especially severe weakness in Microsoft Outlook that can be exploited without any user interaction.

Microsoft's Patch Tuesday update for March 2023 is rolling out with remediations for a set of 80 security flaws, two of which have come under active exploitation in the wild. Eight of the 80 bugs are rated Critical, 71 are rated Important, and one is rated Moderate in severity. The updates are in addition to 29 flaws the tech giant fixed in its Chromium-based Edge browser in recent weeks. The

Categories: Exploits and vulnerabilities Categories: News Tags: patch Tuesday Tags: March Tags: 2023 Tags: Microsoft Tags: Adobe Tags: Fortinet Tags: Android Tags: SAP Tags: CVE-2023-23397 Tags: CVE-2023-24880 Tags: CVE-2023-26360 Tags: CVE-2022-41328 This Patch Tuesday, Microsoft has released fixes for two actively exploited zero-days and Adobe has fixed one. (Read more...) The post Update now! Microsoft fixes two zero-day bugs appeared first on Malwarebytes Labs.

Security vendors urge organizations to fix the actively exploited bugs, in Microsoft Outlook and the Mark of the Web feature, immediately.

Microsoft disclosed 83 vulnerabilities across the company’s hardware and software line, including two issues that are actively being exploited in the wild, continuing a trend of zero-days appearing in Patch Tuesdays over the past few months.

Microsoft Outlook Elevation of Privilege Vulnerability