VulnSocial

CVE-2026-45475Disclosure(microsoft / 365_apps)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

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

  • 365_apps
  • microsoft_365
  • office_2016
  • office_2019

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
365_appsmicrosoft_365office_2016office_2019office_2021office_2024sharepoint_server

3 versions affected across 7 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-09: 1Technical Details · 2026-06-09: 106-09
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • WindowsForum@windowsforum
    Disclosure

    🪟 Office RCE called “remote” but CVSS says AV:L… because Microsoft is talking attacker intent while CVSS is grading the actual exploit path. Bottom line: your PC still does the evil work. #Windows #Microsoft #Office #CVE https://windowsforum.com/threads/cve-2026-45475-office-rce-explained-why-remote-matches-cvss-av-l.424168/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #PatchManagement #CvssAvL https://t.co/1yEzrBOobZ

    Post summary

    The tweet points to a forum thread that explains CVE‑2026‑45475’s CVSS scoring and remote nature, providing technical insights but no PoC or exploitation evidence.

    0000028
    1.2K followersView on X
CPE platform detail16 entries

16 of 16 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoft365_apps--x64
Appmicrosoft365_apps--x86
Appmicrosoftmicrosoft_365-macos-
Appmicrosoftoffice_2016--x64
Appmicrosoftoffice_2016--x86
Appmicrosoftoffice_2019--x64
Appmicrosoftoffice_2019--x86
Appmicrosoftoffice_2021--x64
Appmicrosoftoffice_2021--x86
Appmicrosoftoffice_2021-macos-
Appmicrosoftoffice_2024--x64
Appmicrosoftoffice_2024--x86
Appmicrosoftoffice_2024-macos-
Appmicrosoftsharepoint_server---
Appmicrosoftsharepoint_server2016--
Appmicrosoftsharepoint_server2019--

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