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Two Russia-aligned cyber attack campaigns have continued to exploit a security flaw in WinRAR to target Ukrainian organisations, almost a year after patches for the vulnerability were released
Two separate Russia-aligned campaigns are still exploiting the WinRAR flaw CVE-2025-8088 against Ukrainian organizations nearly a year after it was patched, showing how unmanaged software keeps an exploited entry point open long after the fix ships.
Ukraine's Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently patched vulnerability in multiple versions of Microsoft Office. [...]
Also: Intensified Russian Hacking in Ukraine, Spain's Telefónica Confirms BreachThis week, Microsoft laid off security staff and released Patch Tuesday, Russian hackers intensified attacks on Ukraine in 2024, Telefónica confirmed a breach, a Tennessee mortgage leader reported a breach and the Texas AG sued Allstate over driver data collection.
A newly patched security flaw impacting Windows NT LAN Manager (NTLM) was exploited as a zero-day by a suspected Russia-linked actor as part of cyber attacks targeting Ukraine
Suspected Russian hackers were caught exploiting a recently patched Windows vulnerability as a zero-day in ongoing attacks targeting Ukrainian entities. [...]
U.K. and U.S. cybersecurity and intelligence agencies have warned of Russian nation-state actors exploiting now-patched flaws in networking equipment from Cisco to conduct reconnaissance and deploy malware against targets
2022 is over, and it's been filled with a wide assortment of stories ranging from the impact of Russia's invasion of Ukraine to the many bugs introduced by Microsoft Patch Tuesday updates for Windows. [...]