SharePoint - Security Ticks

Storm-2603 spotted deploying ransomware on exploited SharePoint servers

0-day, Check Point, Don't miss, exploit, Hot stuff, Microsoft, News, SANS ISC, SharePoint, vulnerability / SecurityTicks

Storm-2603 spotted deploying ransomware on exploited SharePoint servers 2025-07-24 at 19:03 By Zeljka Zorz One of the groups that, in the past few weeks, has been exploiting vulnerabilities in on-prem SharePoint installation has been observed deploying Warlock ransomware, Microsoft shared on Wednesday. First attack spotted on July 7th On Saturday, Microsoft announced that attackers have […]

React to this headline:

Storm-2603 spotted deploying ransomware on exploited SharePoint servers Read More »

ToolShell Attacks Hit 400+ SharePoint Servers, US Government Victims Named

China APT, exploited, Government, Malware & Threats, Microsoft, SharePoint, ToolShell, vulnerability / SecurityTicks

ToolShell Attacks Hit 400+ SharePoint Servers, US Government Victims Named 2025-07-24 at 12:35 By Eduard Kovacs More information has emerged on the ToolShell SharePoint zero-day attacks, including impact, victims, and threat actors. The post ToolShell Attacks Hit 400+ SharePoint Servers, US Government Victims Named appeared first on SecurityWeek. This article is an excerpt from SecurityWeek

React to this headline:

ToolShell Attacks Hit 400+ SharePoint Servers, US Government Victims Named Read More »

Microsoft Says Chinese APTs Exploited ToolShell Zero-Days Weeks Before Patch

China APT, exploited, Malware & Threats, Microsoft, SharePoint, ToolShell, Zero-Day / SecurityTicks

Microsoft Says Chinese APTs Exploited ToolShell Zero-Days Weeks Before Patch 2025-07-22 at 20:47 By Eduard Kovacs Microsoft says the Chinese threat actors Linen Typhoon, Violet Typhoon, and Storm-2603 have been exploiting the ToolShell zero-days. The post Microsoft Says Chinese APTs Exploited ToolShell Zero-Days Weeks Before Patch appeared first on SecurityWeek. This article is an excerpt

React to this headline:

Microsoft Says Chinese APTs Exploited ToolShell Zero-Days Weeks Before Patch Read More »

Microsoft pins on-prem SharePoint attacks on Chinese threat actors

Check Point, China, Don't miss, exploit, Eye Security, Hot stuff, News, Palo Alto Networks, Rapid7, SentinelOne, SharePoint, Trend Micro, vulnerability / SecurityTicks

Microsoft pins on-prem SharePoint attacks on Chinese threat actors 2025-07-22 at 18:54 By Zeljka Zorz As Microsoft continues to update its customer guidance for protecting on-prem SharePoint servers against the latest in-the-wild attacks, more security firms have begun sharing details about the ones they have detected. Most intriguingly, Check Point Research says that they observed

React to this headline:

Microsoft pins on-prem SharePoint attacks on Chinese threat actors Read More »

ToolShell Zero-Day Attacks on SharePoint: First Wave Linked to China, Hit High-Value Targets

China, China APT, exploited, Featured, Malware & Threats, SharePoint, ToolShell, Vulnerabilities, Zero-Day / SecurityTicks

ToolShell Zero-Day Attacks on SharePoint: First Wave Linked to China, Hit High-Value Targets 2025-07-22 at 11:44 By Eduard Kovacs More details emerged on the ToolShell zero-day attacks targeting SharePoint servers, but confusion remains over the vulnerabilities. The post ToolShell Zero-Day Attacks on SharePoint: First Wave Linked to China, Hit High-Value Targets appeared first on SecurityWeek.

React to this headline:

ToolShell Zero-Day Attacks on SharePoint: First Wave Linked to China, Hit High-Value Targets Read More »

Microsoft Patches ‘ToolShell’ Zero-Days Exploited to Hack SharePoint Servers

exploited, SharePoint, ToolShell, Vulnerabilities, Zero-Day / SecurityTicks

Microsoft Patches ‘ToolShell’ Zero-Days Exploited to Hack SharePoint Servers 2025-07-21 at 12:50 By Eduard Kovacs Microsoft has started releasing updates to fix the exploited SharePoint zero-days tracked as CVE-2025-53770 and CVE-2025-53771. The post Microsoft Patches ‘ToolShell’ Zero-Days Exploited to Hack SharePoint Servers appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original

React to this headline:

Microsoft Patches ‘ToolShell’ Zero-Days Exploited to Hack SharePoint Servers Read More »

Microsoft SharePoint servers under attack via zero-day vulnerability with no patch (CVE-2025-53770)

0-day, CISA, Don't miss, exploit, Eye Security, Hot stuff, Microsoft, News, Palo Alto Networks, SharePoint / SecurityTicks

Microsoft SharePoint servers under attack via zero-day vulnerability with no patch (CVE-2025-53770) 2025-07-21 at 00:02 By Zeljka Zorz Attackers are exploiting a zero-day variant (CVE-2025-53770) of a SharePoint remote code execution vulnerability (CVE-2025-49706) that Microsoft patched earlier this month, the company has confirmed on Saturday. CVE-2025-53770 is being leveraged to place a backdoor on vulnerable

React to this headline:

Microsoft SharePoint servers under attack via zero-day vulnerability with no patch (CVE-2025-53770) Read More »

SharePoint Under Attack: Microsoft Warns of Zero-Day Exploited in the Wild – No Patch Available

CVE-2025-53770, exploit, Featured, Microsoft, SharePoint, Threat Intelligence, Vulnerabilities, vulnerability / SecurityTicks

SharePoint Under Attack: Microsoft Warns of Zero-Day Exploited in the Wild – No Patch Available 2025-07-20 at 17:16 By Mike Lennon Enterprises running SharePoint servers should not wait for a fix for CVE-2025-53770 and should commence threat hunting to search for compromise immediately. The post SharePoint Under Attack: Microsoft Warns of Zero-Day Exploited in the

React to this headline:

SharePoint Under Attack: Microsoft Warns of Zero-Day Exploited in the Wild – No Patch Available Read More »

Microsoft fixes critical wormable Windows flaw (CVE-2025-47981)

Don't miss, Hot stuff, Ivanti, Microsoft Edge, MS Office, News, Patch Tuesday, Qualys, SharePoint, Tenable, Trend Micro, Windows, Windows Server / SecurityTicks

Microsoft fixes critical wormable Windows flaw (CVE-2025-47981) 2025-07-09 at 14:31 By Zeljka Zorz For July 2025 Patch Tuesday, Microsoft has released patches for 130 vulnerabilities, among them one that’s publicly disclosed (CVE-2025-49719) and a wormable RCE bug on Windows and Windows Server (CVE-2025-47981). CVE-2025-49719 and CVE-2025-49717, in Microsoft SQL Server CVE-2025-49719 is an uninitialized memory

React to this headline:

Microsoft fixes critical wormable Windows flaw (CVE-2025-47981) Read More »

Patch Tuesday: Microsoft fixes 5 actively exploited zero-days

Don't miss, Hot stuff, Immersive, Microsoft, Microsoft Edge, News, Patch Tuesday, SharePoint, Tenable, Trend Micro / SecurityTicks

Patch Tuesday: Microsoft fixes 5 actively exploited zero-days 2025-05-13 at 23:00 By Zeljka Zorz On May 2025 Patch Tuesday, Microsoft has released security fixes for 70+ vulnerabilities, among them five actively exploited zero-days and two publicly disclosed (but not exploited) vulnerabilities. The zero-days and the publicly disclosed flaws Among the zero-days patched is a memory

React to this headline:

Patch Tuesday: Microsoft fixes 5 actively exploited zero-days Read More »

Exploited: Cisco, SharePoint, Chrome vulnerabilities

brute-force, Chrome, CISA, Cisco, Don't miss, enterprise, exploit, Hot stuff, Kaspersky, News, PoC, SharePoint, vulnerability / SecurityTicks

Exploited: Cisco, SharePoint, Chrome vulnerabilities 2024-10-25 at 13:33 By Zeljka Zorz Threat actors have been leveraging zero and n-day vulnerabilities in Cisco security appliances (CVE-2024-20481), Microsoft Sharepoint (CVE-2024-38094), and Google’s Chrome browser (CVE-2024-4947). CVE-2024-20481 (Cisco ASA/FTD) In the past few days, Cisco has released fixes for a slew of vulnerabilities affecting the software powering its

React to this headline:

Exploited: Cisco, SharePoint, Chrome vulnerabilities Read More »

Microsoft fixes 4 exploited zero-days and a code defect that nixed earlier security fixes

0-day, CVE, Don't miss, Elastic, Hot stuff, Immersive Labs, News, Patch Tuesday, SharePoint, Tenable, Trend Micro, vulnerability, Windows / SecurityTicks

Microsoft fixes 4 exploited zero-days and a code defect that nixed earlier security fixes 2024-09-10 at 22:46 By Zeljka Zorz September 2024 Patch Tuesday is here and Microsoft has delivered 79 fixes, including those for a handful of zero-days (CVE-2024-38217, CVE-2024-38226, CVE-2024-38014, CVE-2024-43461) exploited by attackers in the wild, and a Windows 10 code defect

React to this headline:

Microsoft fixes 4 exploited zero-days and a code defect that nixed earlier security fixes Read More »

May 2024 Patch Tuesday: Microsoft fixes exploited zero-days (CVE-2024-30051, CVE-2024-30040)

0-day, Don't miss, Hot stuff, Kaspersky, Mandiant, Microsoft, News, Patch Tuesday, security update, SharePoint, Trend Micro, vulnerability / SecurityTicks

May 2024 Patch Tuesday: Microsoft fixes exploited zero-days (CVE-2024-30051, CVE-2024-30040) 2024-05-14 at 22:02 By Zeljka Zorz For May 2024 Patch Tuesday, Microsoft has released fixes for 59 CVE-numbered vulnerabilities, including two zero-days (CVE-2024-30051, CVE-2024-30040) actively exploited by attackers. CVE-2024-30051 and CVE-2024-30040 CVE-2024-30051 is a heap-based buffer overflow vulnerability affecting the Windows DWM Core Library that

React to this headline:

May 2024 Patch Tuesday: Microsoft fixes exploited zero-days (CVE-2024-30051, CVE-2024-30040) Read More »

New covert SharePoint data exfiltration techniques revealed

Data exfiltration, data theft, Don't miss, enterprise, Hot stuff, logging, News, SharePoint, Varonis / SecurityTicks

New covert SharePoint data exfiltration techniques revealed 2024-04-10 at 18:10 By Zeljka Zorz Varonis Threat Labs researchers have uncovered two techniques attackers can use can use for covert data and file exfiltration from companies’ SharePoint server. “These techniques can bypass the detection and enforcement policies of traditional tools, such as cloud access security brokers, data

React to this headline:

New covert SharePoint data exfiltration techniques revealed Read More »

CISA: Second SharePoint Flaw Disclosed at Pwn2Own Exploited in Attacks

CISA KEV, exploited, SharePoint, Vulnerabilities / SecurityTicks

CISA: Second SharePoint Flaw Disclosed at Pwn2Own Exploited in Attacks 2024-03-27 at 12:46 By Eduard Kovacs CISA says a second SharePoint vulnerability demonstrated last year at Pwn2Own, CVE-2023-24955, has been exploited in the wild. The post CISA: Second SharePoint Flaw Disclosed at Pwn2Own Exploited in Attacks appeared first on SecurityWeek. This article is an excerpt

React to this headline:

CISA: Second SharePoint Flaw Disclosed at Pwn2Own Exploited in Attacks Read More »

CISA Urges Patching of Exploited SharePoint Server Vulnerability

exploited, Malware & Threats, SharePoint / SecurityTicks

CISA Urges Patching of Exploited SharePoint Server Vulnerability 2024-01-11 at 14:32 By Ionut Arghire CISA has added a critical Microsoft SharePoint Server flaw (CVE-2023-29357) to its Known Exploited Vulnerabilities catalog. The post CISA Urges Patching of Exploited SharePoint Server Vulnerability appeared first on SecurityWeek. This article is an excerpt from SecurityWeek RSS Feed View Original

React to this headline:

CISA Urges Patching of Exploited SharePoint Server Vulnerability Read More »

Microsoft fixes critical flaws in Windows Kerberos, Hyper-V (CVE-2024-20674, CVE-2024-20700)

Don't miss, Hot stuff, Microsoft, MS Office, News, Patch Tuesday, security update, SharePoint, Tenable, Trend Micro / SecurityTicks

Microsoft fixes critical flaws in Windows Kerberos, Hyper-V (CVE-2024-20674, CVE-2024-20700) 2024-01-09 at 22:02 By Zeljka Zorz For January 2024 Patch Tuesday, Microsoft has released fixes for 49 CVE-numbered vulnerabilities, two of which are critical: CVE-2024-20674 and CVE-2024-20700. None of the vulnerabilities fixed this time aroundare under active exploitation or have been previously publicly disclosed. The

React to this headline:

Microsoft fixes critical flaws in Windows Kerberos, Hyper-V (CVE-2024-20674, CVE-2024-20700) Read More »

June 2023 Patch Tuesday: Critical patches for Microsoft Windows, SharePoint, Exchange

Automox, Don't miss, Hot stuff, Microsoft Exchange, News, Patch Tuesday, security update, SharePoint, Tenable, Trend Micro, Windows / SecurityTicks

June 2023 Patch Tuesday: Critical patches for Microsoft Windows, SharePoint, Exchange 13/06/2023 at 21:48 By Zeljka Zorz For June 2023 Patch Tuesday, Microsoft has delivered 70 new patches but, for once, none of the fixed vulnerabilities are currently exploited by attackers nor were publicly known before today! Microsoft has previously fixed CVE-2023-3079, a type confusion

React to this headline:

June 2023 Patch Tuesday: Critical patches for Microsoft Windows, SharePoint, Exchange Read More »

Microsoft fixes two actively exploited bugs, one used by BlackLotus bootkit (CVE-2023-29336, CVE-2023-24932)

Automox, Don't miss, Hot stuff, Microsoft, News, Patch Tuesday, security update, SharePoint, Tenable, Trend Micro, Windows / SecurityTicks

Microsoft fixes two actively exploited bugs, one used by BlackLotus bootkit (CVE-2023-29336, CVE-2023-24932) 09/05/2023 at 22:15 By Zeljka Zorz For May 2023 Patch Tuesday, Microsoft has delivered fixes for 38 CVE-numbered vulnerabilities, including a patch for a Windows bug (CVE-2023-29336) and a Secure Boot bypass flaw (CVE-2023-24932) exploited by attackers in the wild. The two

React to this headline:

Microsoft fixes two actively exploited bugs, one used by BlackLotus bootkit (CVE-2023-29336, CVE-2023-24932) Read More »