7.8Yüksek

CVE-2026-42831Microsoft Office Remote Code Execution Vulnerability

Microsoft Microsoft Office for Android; Microsoft Microsoft Office LTSC for Mac 2021; Microsoft Microsoft Office LTSC for Mac 2024 Yayım: 2026-05-12 19:59 (6 ay önce)

Açıklama

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

Zayıflık türü (CWE): CWE-122

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

Üretici	Ürün	Sürümler
microsoft	365 copilot	< 16.0.19822.20190
Microsoft	Microsoft Office for Android	16.0.1 – < 16.0.19822.20190
Microsoft	Microsoft Office LTSC for Mac 2021	16.0.1 – < 16.109.26051019
Microsoft	Microsoft Office LTSC for Mac 2024	16.0.0 – < 16.109.26051019
microsoft	office	16.0.1 – < 16.0.19822.20190
microsoft	office long term servicing channel	2021
microsoft	office macos 2021	16.0.1 – < 16.109.26051019
microsoft	office macos 2024	16.0.0 – < 16.109.26051019

Kaynaklar ve yamalar

Microsoft Office Remote Code Execution Vulnerability vendor-advisorypatchVendor Advisory

CPE eşleşmeleri (NVD) (3)

cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:android:*:* < 16.0.19822.20190
cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:macos:*:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*

CVSS puanı

7.8Yüksek

Kaynak: microsoft · CVSS 3.1

Saldırı yolu: Yerel
Karmaşıklık: Düşük
Gereken yetki: Yok
Kullanıcı etkileşimi: Gerekir
Kapsam: Değişmez
Gizlilik: Yüksek
Bütünlük: Yüksek
Erişilebilirlik: Yüksek

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Tüm puanlar (2)

cna	CVSS 3.1	7.8Yüksek
secure@microsoft.com	CVSS 3.1	7.8Yüksek

EPSS (30 günde istismar olasılığı)

0.44%

tüm CVE'lerin %38'inden yüksek

CISA değerlendirmesi (SSVC)

İstismar: none
Otomatikleştirilebilir: no
Teknik etki: total

Zaman çizelgesi

Numara ayrıldı2026-04-30
Yayımlandı2026-05-12 19:59
IP-DB'ye ulaştı2026-10-24 23:48
Son güncelleme2026-10-26 03:10

Numarayı veren (CNA): microsoft
NVD durumu: Analyzed

Kaynakta görüntüle: CVE.org · NVD

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