VulnSocial

CVE-2026-62913Patch(microsoft / exchange_server)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft exchange_server systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

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0.5/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • exchange_server
  • exchange_server_subscription_edition

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 3 signals
  • Technical details provided in 3 signals
  • Peaked 2d ago at 1 mentions (2026-08-11); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
microsoft
Products
exchange_serverexchange_server_subscription_edition

2 versions affected across 2 products

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-08-11: 1Mentions · 2026-08-12: 1Mentions · 2026-08-13: 1Patch / Workaround · 2026-08-11: 1Patch / Workaround · 2026-08-12: 1Patch / Workaround · 2026-08-13: 1Technical Details · 2026-08-11: 1Technical Details · 2026-08-12: 1Technical Details · 2026-08-13: 108-1108-1208-13
Signal classification1 categories
Patch
3100.0%
Referenced assets2 URLs
Full discourse3 posts
  • VulniPulse@vulnipulse
    Patch

    ⚠️ HIGH CVE ALERT CVE-2026-62913 · Microsoft Exchange Server 2016… · CVSS 8.8 Attackers could execute arbitrary code. Upgrade to a vendor-listed fixed release. 🔎 Full advisory: https://vulnipulse.com/advisories/microsoft-cve-2026-62913 #CyberSecurity #CVE #Microsoft #MicrosoftExchangeServer2016

    Post summary

    A high‑severity CVE‑2026‑62913 affecting Microsoft Exchange Server 2016 is highlighted, with a recommendation to update to the vendor‑released fix to prevent arbitrary code execution.

    1000045
    7 followersView on X
  • TECHEPAGES@techepages
    Patch

    Breakdown of Exchange Server vulnerabilities by version from the August 2026 Patch Tuesday: 🖥️ Exchange Server 2016, 2019, Subscription Edition (All supported on‑premises versions are affected by each CVE below) 🔵 CVE-2026-62910 – Elevation of Privilege (resource injection) 🔵 CVE-2026-62911 – Elevation of Privilege (auth bypass replay attack, CVSS 8.0) 🔵 CVE-2026-62912 – Denial of Service (deserialization flaw) 🔵 CVE-2026-62913 – Remote Code Execution (heap buffer overflow, CVSS 8.8) 🔵 CVE-2026-62914 – Spoofing (XSS) 🔵 CVE-2026-62915 – Security Feature Bypass (missing authorization checks) Exchange Online is already protected, but on‑premises Exchange 2016, 2019, and Subscription Edition must be patched immediately. 🔵 CVE-2026-62914 – Spoofing (XSS) 🔵 CVE-2026-62915 – Security Feature Bypass (missing authorization checks)

    Post summary

    The notice outlines multiple Exchange Server CVEs with technical details and urges immediate patching of on‑premises installations.

    0000061
    38 followersView on X
  • Windows Forum@windowsforum
    Patch

    🚨 Exchange admins, August patching just became urgent: CVE-2026-62913 enables remote code execution, while Microsoft keeps the attack path vague. Inventory, patch, repeat. https://windowsforum.com/security-alerts.84/cve-2026-62913-patch-exchange-server-rce-via-august-update.442665/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #SecurityUpdates #ExchangeServer #PatchTuesday #Cve202662913 https://t.co/m1lYeXlACX

    Post summary

    This alert warns Exchange administrators that CVE-2026-62913 allows remote code execution and stresses the need to apply the August patch promptly.

    0000068
    1.3K followersView on X
CPE platform detail38 entries

38 of 38 entries

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