Latest cybersecurity reporting from selected sources.

Weeks after the exploit code dropped, Redmond has finally ships a fix for the Defender zero-day

Another day, another Windows exploit code

Researchers follow in Nightmare Eclipse’s footsteps, flipping off Redmond in favor of insta-leaks

Vuln old enough to drive lands on CISA's exploited list While Microsoft was rolling out its bumper Patch Tuesday updates this week, US cybersecurity agency CISA was readying an alert about a 17-year-old critical Excel flaw now under exploit.…

Last time: Beijing-backed snoops and ransomware crims. Who's next? Unknown baddies are abusing yet another critical Microsoft SharePoint bug to compromise victims' SharePoint servers, the US government warned.…

Exploit hasn't been picked up by any malware detection engines, CEO tells The Reg A Microsoft zero-day vulnerability that allows an unprivileged user to crash the Windows Remote Access Connection Manager (RasMan) service now has a free, unofficial patch - with no word as to when Redmond plans to release an official one - along with a working exploit circulating online.…

Critical vulnerabilities found in third-party applications eligible for award under 'in scope by default' move Microsoft is overhauling its bug bounty program to reward exploit hunters for finding vulnerabilities across all its products and services, even those without established bounty schemes.…

Although it hasn't been seen in the wild yet A new ransomware strain dubbed HybridPetya was able to exploit a patched vulnerability to bypass Unified Extensible Firmware Interface (UEFI) Secure Boot on unrevoked Windows systems, making it the fourth publicly known bootkit capable of punching through the feature and hijacking a PC before the operating system loads.…

Defrauding search with custom malware, Potato-family exploits A new China-aligned cybercrime crew named GhostRedirector has compromised at least 65 Windows servers worldwide - spotted in a June internet scan - using previously undocumented malware to juice gambling sites' rankings in Google search, according to ESET researchers.…

Better late than never after SharePoint assault? Microsoft has reportedly stopped giving Chinese companies proof-of-concept exploit code for soon-to-be-disclosed vulnerabilities following last month's SharePoint zero-day attacks, which appear to be related to a leak in Redmond's early-bug-notification program.…

None under active exploit…yet Microsoft’s August Patch Tuesday flaw-fixing festival addresses 111 problems in its products, a dozen of which are deemed critical, and one moderate-severity flaw that is listed as being publicly known.…

A few weeks earlier 'zeroplayer' advertised an $80K WinRAR 0-day exploit Russia-linked attackers found and exploited a high-severity WinRAR vulnerability before the maintainers of the Windows file archiver issued a fix.…

No reported in-the-wild exploits…yet Microsoft and the feds late Wednesday sounded the alarm on another high-severity bug in Exchange Server hybrid deployments that could allow attackers to escalate privileges from on-premises Exchange to the cloud.…

Spy vs. spy China has accused US intelligence agencies of exploiting a Microsoft Exchange zero-day exploit to steal defense-related data and take over more than 50 devices belonging to a "major Chinese military enterprise" for nearly a year.…

Look over there! Amidst its own failure to fix a couple of bugs now under mass exploitation and being abused for espionage, data theft, and ransomware infections, Microsoft said Monday that it spotted a macOS vulnerability some months ago that could allow attackers to steal private data. Redmond reported the bug to Cupertino, which issued a fix back in March.…

Admins urged to rotate machine keys, restart IIS after emergency fix Microsoft has good news for administrators running SharePoint Server 2016. The cloud and software megacorp has published updates to close a gaping hole in the document management service.…

Sure, 130 fixes were sent out, but bask in the security goodness For the first time this year, Microsoft has released a Patch Tuesday bundle with no exploited security problems, although one has been made public already, and there are ten critical flaws to fix.…

PLUS: AirPlay exploits; Six-year old backdoor opens; Raytheon settles federal charges; and more! Infosec In Brief Microsoft has decided to push its consumer customers to dump password in favor of passkeys.…

'Only' a local access bug but important part of N Korea, Russia, and China attack picture An exploitation avenue found by Trend Micro has been used in an eight-year-long spying campaign, but there's no sign of a fix from Microsoft, which apparently considers this a low priority.…

They're good at zero-day exploits, too Silk Typhoon, the Chinese government crew believed to be behind the December US Treasury intrusions, has been abusing stolen API keys and cloud credentials in ongoing attacks targeting IT companies and state and local government agencies since late 2024, according to Microsoft Threat Intelligence.…