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Microsoft Exchange Server hit by active zero-day exploit

作者 PulseAugur 编辑部 · [4 个来源] ·

Microsoft has confirmed an active zero-day exploit targeting its on-premises Exchange Server, identified as CVE-2026-42897. This vulnerability allows unauthenticated remote code execution and is being actively exploited in the wild, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). Microsoft is recommending immediate mitigation through its Exchange Emergency Mitigation Service while a formal patch is pending. The exploit, demonstrated at the Pwn2Own Berlin hacking event, poses a significant risk to corporate identity and communications systems. AI

影响 This exploit targets enterprise communication infrastructure, potentially impacting business operations and data security, but does not directly involve AI capabilities.

排序理由 The cluster reports on a confirmed active zero-day exploit in a widely used enterprise product, with immediate security implications and vendor-recommended emergency mitigations. [lever_c_demoted from significant: ic=4 ai=0.4]

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Microsoft Exchange Server hit by active zero-day exploit

报道来源 [4]

  1. Forbes — Innovation TIER_1 English(EN) · Davey Winder, Senior Contributor ·

    Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation Now

    Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.

  2. Forbes — Innovation TIER_1 English(EN) · Davey Winder, Senior Contributor ·

    Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation

    Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.

  3. Forbes — Innovation TIER_1 English(EN) · Davey Winder, Senior Contributor ·

    Microsoft Exchange Active 0-Day Exploit—Enable Emergency Mitigation Now

    Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.

  4. Forbes — Innovation TIER_1 English(EN) · Davey Winder, Senior Contributor ·

    Microsoft Exchange Zero-Day Hack Confirmed—3 Vulnerabilities Exploited

    Microsoft Exchange has now joined Windows 11 as Pwn2Own zero-day hackers continue to successfully attack the tech giant’s products.

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