VulnSocial

CVE-2026-62914Patch(microsoft / exchange_server)

LOWCVSS 5.4 · MEDIUM

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

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-79

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
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Peaked 1d ago at 1 mentions (2026-08-12); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
microsoft
Products
exchange_serverexchange_server_subscription_edition

2 versions affected across 2 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-08-12: 1Mentions · 2026-08-13: 1Patch / Workaround · 2026-08-12: 1Technical Details · 2026-08-13: 108-1208-13
Signal classification1 categories
Patch
2100.0%
Referenced assets1 URL
Full discourse2 posts
  • 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 post catalogs five new Exchange Server CVEs, gives brief technical details, and urges on‑premises servers to be patched immediately.

    0000061
    38 followersView on X
  • Windows Forum@windowsforum
    Patch

    🚨 Microsoft says patch Exchange spoofing flaw CVE-2026-62914 with KB5121573—but offers almost no technical detail. Admins get the fix first and the explanation later. Classic emergency-patching roulette. https://windowsforum.com/security-alerts.84/cve-2026-62914-patch-exchange-spoofing-flaw-with-kb5121573.442666/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #PatchManagement #ExchangeServer #Cve202662914 https://t.co/B3mHM6bv7z

    Post summary

    Microsoft released patch KB5121573 for CVE-2026-62914, an Exchange spoofing flaw, but offered minimal technical detail.

    0000059
    1.3K followersView on X
CPE platform detail38 entries

38 of 38 entries

PartVendorProductVersionTarget SWTarget HW
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Appmicrosoftexchange_server_subscription_edition---

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