Detections
Analytics

Security Updates for Microsoft Office Products (November 2026) (macOS)

high Nessus Plugin ID 378503

Synopsis

The Microsoft Office product installed on the remote host is affected by multiple vulnerabilities

Description

The version of Microsoft Office for Mac installed on the remote host is affected by multiple vulnerabilities as referenced in the november-10-2026 advisory.

 - Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. (CVE-2026-116717, CVE-2026-120003)

 - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
 (CVE-2026-118703, CVE-2026-118706, CVE-2026-118710, CVE-2026-118713, CVE-2026-118716, CVE-2026-118729, CVE-2026-118730, CVE-2026-118732, CVE-2026-124187)

 - Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. (CVE-2026-108450, CVE-2026-109500, CVE-2026-110048, CVE-2026-110050, CVE-2026-110053, CVE-2026-110054, CVE-2026-110055, CVE-2026-110061, CVE-2026-110062, CVE-2026-110064, CVE-2026-111285, CVE-2026-111294, CVE-2026-111295, CVE-2026-111299, CVE-2026-111306, CVE-2026-111307, CVE-2026-111310, CVE-2026-112714, CVE-2026-112715, CVE-2026-112716, CVE-2026-112717, CVE-2026-112718, CVE-2026-112719, CVE-2026-112721, CVE-2026-112722, CVE-2026-112723, CVE-2026-112724, CVE-2026-112726, CVE-2026-112728, CVE-2026-112729, CVE-2026-112730, CVE-2026-112733, CVE-2026-112739, CVE-2026-112741, CVE-2026-116718, CVE-2026-116719, CVE-2026-116720, CVE-2026-116722, CVE-2026-116923, CVE-2026-116925)

 - Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. (CVE-2026-109505, CVE-2026-111287)

 - Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network. (CVE-2026-111292, CVE-2026-118300, CVE-2026-118727, CVE-2026-118728, CVE-2026-119999, CVE-2026-124178, CVE-2026-124179)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update to Office for Mac version 16.115 or later.

See Also

http://www.nessus.org/u?af4c13c2

Plugin Details

Severity: High

ID: 378503

File Name: macos_ms26_nov_office.nasl

Version: 1.1

Type: Local

Agent: macosx

Published: 11/10/2026

Updated: 11/10/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.42

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-120003

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-124187

Vulnerability Information

CPE: cpe:/a:microsoft:office

Required KB Items: Host/MacOSX/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2026

Vulnerability Publication Date: 9/8/2026

Reference Information

CVE: CVE-2026-108450, CVE-2026-109487, CVE-2026-109491, CVE-2026-109500, CVE-2026-109501, CVE-2026-109503, CVE-2026-109505, CVE-2026-110046, CVE-2026-110047, CVE-2026-110048, CVE-2026-110049, CVE-2026-110050, CVE-2026-110051, CVE-2026-110052, CVE-2026-110053, CVE-2026-110054, CVE-2026-110055, CVE-2026-110056, CVE-2026-110061, CVE-2026-110062, CVE-2026-110064, CVE-2026-110066, CVE-2026-110067, CVE-2026-110068, CVE-2026-111285, CVE-2026-111286, CVE-2026-111287, CVE-2026-111288, CVE-2026-111289, CVE-2026-111292, CVE-2026-111293, CVE-2026-111294, CVE-2026-111295, CVE-2026-111298, CVE-2026-111299, CVE-2026-111302, CVE-2026-111304, CVE-2026-111306, CVE-2026-111307, CVE-2026-111308, CVE-2026-111310, CVE-2026-112714, CVE-2026-112715, CVE-2026-112716, CVE-2026-112717, CVE-2026-112718, CVE-2026-112719, CVE-2026-112720, CVE-2026-112721, CVE-2026-112722, CVE-2026-112723, CVE-2026-112724, CVE-2026-112726, CVE-2026-112728, CVE-2026-112729, CVE-2026-112730, CVE-2026-112731, CVE-2026-112733, CVE-2026-112734, CVE-2026-112735, CVE-2026-112737, CVE-2026-112738, CVE-2026-112739, CVE-2026-112741, CVE-2026-113759, CVE-2026-116717, CVE-2026-116718, CVE-2026-116719, CVE-2026-116720, CVE-2026-116721, CVE-2026-116722, CVE-2026-116922, CVE-2026-116923, CVE-2026-116925, CVE-2026-116927, CVE-2026-118292, CVE-2026-118293, CVE-2026-118294, CVE-2026-118295, CVE-2026-118296, CVE-2026-118297, CVE-2026-118298, CVE-2026-118299, CVE-2026-118300, CVE-2026-118301, CVE-2026-118302, CVE-2026-118700, CVE-2026-118701, CVE-2026-118702, CVE-2026-118703, CVE-2026-118704, CVE-2026-118705, CVE-2026-118706, CVE-2026-118707, CVE-2026-118708, CVE-2026-118709, CVE-2026-118710, CVE-2026-118711, CVE-2026-118712, CVE-2026-118713, CVE-2026-118714, CVE-2026-118715, CVE-2026-118716, CVE-2026-118717, CVE-2026-118718, CVE-2026-118719, CVE-2026-118720, CVE-2026-118721, CVE-2026-118722, CVE-2026-118723, CVE-2026-118724, CVE-2026-118725, CVE-2026-118726, CVE-2026-118727, CVE-2026-118728, CVE-2026-118729, CVE-2026-118730, CVE-2026-118731, CVE-2026-118732, CVE-2026-119986, CVE-2026-119999, CVE-2026-120001, CVE-2026-120003, CVE-2026-120785, CVE-2026-120786, CVE-2026-120788, CVE-2026-120789, CVE-2026-120790, CVE-2026-120791, CVE-2026-123395, CVE-2026-124170, CVE-2026-124174, CVE-2026-124176, CVE-2026-124178, CVE-2026-124179, CVE-2026-124183, CVE-2026-124187, CVE-2026-124229, CVE-2026-124233, CVE-2026-81400