SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2007-1754

PUBCONV.DLL in Microsoft Office Publisher 2007 does not properly clear memory when transferring data from disk to memory, which allows user-assisted remote attackers to execute arbitrary code via a malformed .pub page via a certain negative value, which…

HIGH 9.3EPSS 32.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 32.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

PUBCONV.DLL in Microsoft Office Publisher 2007 does not properly clear memory when transferring data from disk to memory, which allows user-assisted remote attackers to execute arbitrary code via a malformed .pub page via a certain negative value, which bypasses a sanitization procedure that initializes critical pointers to NULL, aka the "Publisher Invalid Memory Reference Vulnerability".

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
32.78% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-399
Affected
microsoft/publisher
Source
secure@microsoft.com
EPSS trend
0%18%35%26 October 2026: 32.78%26 October 202626 October 2026

EPSS 32.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.